Home / 22,809.39-31,476.65-12,737.99

Finding the Fourth Proportional to 22,809.39, 31,476.65 and 12,737.99

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Solution

The fourth proportional to 22,809.39, 31,476.65 and 12,737.99 is: 17,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.39 : 31,476.65 = 12,737.99 : x
  2. Step 2: Convert to fraction form
    22,809.39/31,476.65 = 12,737.99/x
  3. Step 3: Cross multiply
    22,809.39x = 31,476.65 × 12,737.99
  4. Step 4: Simplify right side
    22,809.39x = 400,949,031.86
  5. Step 5: Solve for x
    x = 400,949,031.86/22,809.39
  6. Step 6: Final answer
    x = 17,578.24

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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.