Home / 22,585.02-31,172.52-15,031.68

Finding the Fourth Proportional to 22,585.02, 31,172.52 and 15,031.68

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Solution

The fourth proportional to 22,585.02, 31,172.52 and 15,031.68 is: 20,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.02 : 31,172.52 = 15,031.68 : x
  2. Step 2: Convert to fraction form
    22,585.02/31,172.52 = 15,031.68/x
  3. Step 3: Cross multiply
    22,585.02x = 31,172.52 × 15,031.68
  4. Step 4: Simplify right side
    22,585.02x = 468,575,345.43
  5. Step 5: Solve for x
    x = 468,575,345.43/22,585.02
  6. Step 6: Final answer
    x = 20,747.17

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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.