Home / 22,809.76-31,475.68-12,737.42

Finding the Fourth Proportional to 22,809.76, 31,475.68 and 12,737.42

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Solution

The fourth proportional to 22,809.76, 31,475.68 and 12,737.42 is: 17,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.76 : 31,475.68 = 12,737.42 : x
  2. Step 2: Convert to fraction form
    22,809.76/31,475.68 = 12,737.42/x
  3. Step 3: Cross multiply
    22,809.76x = 31,475.68 × 12,737.42
  4. Step 4: Simplify right side
    22,809.76x = 400,918,955.95
  5. Step 5: Solve for x
    x = 400,918,955.95/22,809.76
  6. Step 6: Final answer
    x = 17,576.64

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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.