Home / 22,910.76-31,617.99-13,956.84

Finding the Fourth Proportional to 22,910.76, 31,617.99 and 13,956.84

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Solution

The fourth proportional to 22,910.76, 31,617.99 and 13,956.84 is: 19,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.76 : 31,617.99 = 13,956.84 : x
  2. Step 2: Convert to fraction form
    22,910.76/31,617.99 = 13,956.84/x
  3. Step 3: Cross multiply
    22,910.76x = 31,617.99 × 13,956.84
  4. Step 4: Simplify right side
    22,910.76x = 441,287,227.55
  5. Step 5: Solve for x
    x = 441,287,227.55/22,910.76
  6. Step 6: Final answer
    x = 19,261.13

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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.