Home / 19,007.10-26,229.69-10,509.12

Finding the Fourth Proportional to 19,007.10, 26,229.69 and 10,509.12

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Solution

The fourth proportional to 19,007.10, 26,229.69 and 10,509.12 is: 14,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.10 : 26,229.69 = 10,509.12 : x
  2. Step 2: Convert to fraction form
    19,007.10/26,229.69 = 10,509.12/x
  3. Step 3: Cross multiply
    19,007.10x = 26,229.69 × 10,509.12
  4. Step 4: Simplify right side
    19,007.10x = 275,650,959.77
  5. Step 5: Solve for x
    x = 275,650,959.77/19,007.10
  6. Step 6: Final answer
    x = 14,502.53

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Half scale
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Double scale
Find fourth proportional to 19,008.10, 26,231.07 and 10,510.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.