Home / 22,737.32-31,372.74-13,176.64

Finding the Fourth Proportional to 22,737.32, 31,372.74 and 13,176.64

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Solution

The fourth proportional to 22,737.32, 31,372.74 and 13,176.64 is: 18,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.32 : 31,372.74 = 13,176.64 : x
  2. Step 2: Convert to fraction form
    22,737.32/31,372.74 = 13,176.64/x
  3. Step 3: Cross multiply
    22,737.32x = 31,372.74 × 13,176.64
  4. Step 4: Simplify right side
    22,737.32x = 413,387,300.79
  5. Step 5: Solve for x
    x = 413,387,300.79/22,737.32
  6. Step 6: Final answer
    x = 18,181.00

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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.