Home / 22,593.21-31,178.16-12,521.58

Finding the Fourth Proportional to 22,593.21, 31,178.16 and 12,521.58

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Solution

The fourth proportional to 22,593.21, 31,178.16 and 12,521.58 is: 17,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,593.21 : 31,178.16 = 12,521.58 : x
  2. Step 2: Convert to fraction form
    22,593.21/31,178.16 = 12,521.58/x
  3. Step 3: Cross multiply
    22,593.21x = 31,178.16 × 12,521.58
  4. Step 4: Simplify right side
    22,593.21x = 390,399,824.69
  5. Step 5: Solve for x
    x = 390,399,824.69/22,593.21
  6. Step 6: Final answer
    x = 17,279.52

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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.