Home / 22,487.28-31,025.88-12,925.68

Finding the Fourth Proportional to 22,487.28, 31,025.88 and 12,925.68

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Solution

The fourth proportional to 22,487.28, 31,025.88 and 12,925.68 is: 17,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.28 : 31,025.88 = 12,925.68 : x
  2. Step 2: Convert to fraction form
    22,487.28/31,025.88 = 12,925.68/x
  3. Step 3: Cross multiply
    22,487.28x = 31,025.88 × 12,925.68
  4. Step 4: Simplify right side
    22,487.28x = 401,030,596.60
  5. Step 5: Solve for x
    x = 401,030,596.60/22,487.28
  6. Step 6: Final answer
    x = 17,833.66

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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.