Home / 22,708.43-31,317.69-15,898.96

Finding the Fourth Proportional to 22,708.43, 31,317.69 and 15,898.96

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Solution

The fourth proportional to 22,708.43, 31,317.69 and 15,898.96 is: 21,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.43 : 31,317.69 = 15,898.96 : x
  2. Step 2: Convert to fraction form
    22,708.43/31,317.69 = 15,898.96/x
  3. Step 3: Cross multiply
    22,708.43x = 31,317.69 × 15,898.96
  4. Step 4: Simplify right side
    22,708.43x = 497,918,621.86
  5. Step 5: Solve for x
    x = 497,918,621.86/22,708.43
  6. Step 6: Final answer
    x = 21,926.60

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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.