Home / 19,038.36-26,276.02-13,065.08

Finding the Fourth Proportional to 19,038.36, 26,276.02 and 13,065.08

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Solution

The fourth proportional to 19,038.36, 26,276.02 and 13,065.08 is: 18,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.36 : 26,276.02 = 13,065.08 : x
  2. Step 2: Convert to fraction form
    19,038.36/26,276.02 = 13,065.08/x
  3. Step 3: Cross multiply
    19,038.36x = 26,276.02 × 13,065.08
  4. Step 4: Simplify right side
    19,038.36x = 343,298,303.38
  5. Step 5: Solve for x
    x = 343,298,303.38/19,038.36
  6. Step 6: Final answer
    x = 18,031.93

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Half scale
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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.