Home / 22,925.54-31,637.32-12,717.30

Finding the Fourth Proportional to 22,925.54, 31,637.32 and 12,717.30

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Solution

The fourth proportional to 22,925.54, 31,637.32 and 12,717.30 is: 17,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,925.54 : 31,637.32 = 12,717.30 : x
  2. Step 2: Convert to fraction form
    22,925.54/31,637.32 = 12,717.30/x
  3. Step 3: Cross multiply
    22,925.54x = 31,637.32 × 12,717.30
  4. Step 4: Simplify right side
    22,925.54x = 402,341,289.64
  5. Step 5: Solve for x
    x = 402,341,289.64/22,925.54
  6. Step 6: Final answer
    x = 17,549.92

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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.