Home / 19,509.74-26,921.48-11,011.10

Finding the Fourth Proportional to 19,509.74, 26,921.48 and 11,011.10

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Solution

The fourth proportional to 19,509.74, 26,921.48 and 11,011.10 is: 15,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.74 : 26,921.48 = 11,011.10 : x
  2. Step 2: Convert to fraction form
    19,509.74/26,921.48 = 11,011.10/x
  3. Step 3: Cross multiply
    19,509.74x = 26,921.48 × 11,011.10
  4. Step 4: Simplify right side
    19,509.74x = 296,435,108.43
  5. Step 5: Solve for x
    x = 296,435,108.43/19,509.74
  6. Step 6: Final answer
    x = 15,194.21

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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.