Home / 22,901.10-31,585.74-15,345.02

Finding the Fourth Proportional to 22,901.10, 31,585.74 and 15,345.02

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Solution

The fourth proportional to 22,901.10, 31,585.74 and 15,345.02 is: 21,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.10 : 31,585.74 = 15,345.02 : x
  2. Step 2: Convert to fraction form
    22,901.10/31,585.74 = 15,345.02/x
  3. Step 3: Cross multiply
    22,901.10x = 31,585.74 × 15,345.02
  4. Step 4: Simplify right side
    22,901.10x = 484,683,654.09
  5. Step 5: Solve for x
    x = 484,683,654.09/22,901.10
  6. Step 6: Final answer
    x = 21,164.21

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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.