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Finding the Fourth Proportional to 14,925.40, 22,404.30 and 8,364.40

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Solution

The fourth proportional to 14,925.40, 22,404.30 and 8,364.40 is: 12,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.40 : 22,404.30 = 8,364.40 : x
  2. Step 2: Convert to fraction form
    14,925.40/22,404.30 = 8,364.40/x
  3. Step 3: Cross multiply
    14,925.40x = 22,404.30 × 8,364.40
  4. Step 4: Simplify right side
    14,925.40x = 187,398,526.92
  5. Step 5: Solve for x
    x = 187,398,526.92/14,925.40
  6. Step 6: Final answer
    x = 12,555.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.