Home / 22,972.84-31,714.56-15,458.68

Finding the Fourth Proportional to 22,972.84, 31,714.56 and 15,458.68

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Solution

The fourth proportional to 22,972.84, 31,714.56 and 15,458.68 is: 21,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.84 : 31,714.56 = 15,458.68 : x
  2. Step 2: Convert to fraction form
    22,972.84/31,714.56 = 15,458.68/x
  3. Step 3: Cross multiply
    22,972.84x = 31,714.56 × 15,458.68
  4. Step 4: Simplify right side
    22,972.84x = 490,265,234.38
  5. Step 5: Solve for x
    x = 490,265,234.38/22,972.84
  6. Step 6: Final answer
    x = 21,341.08

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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.