Home / 17,520.64-24,177.90-10,443.40

Finding the Fourth Proportional to 17,520.64, 24,177.90 and 10,443.40

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Solution

The fourth proportional to 17,520.64, 24,177.90 and 10,443.40 is: 14,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.64 : 24,177.90 = 10,443.40 : x
  2. Step 2: Convert to fraction form
    17,520.64/24,177.90 = 10,443.40/x
  3. Step 3: Cross multiply
    17,520.64x = 24,177.90 × 10,443.40
  4. Step 4: Simplify right side
    17,520.64x = 252,499,480.86
  5. Step 5: Solve for x
    x = 252,499,480.86/17,520.64
  6. Step 6: Final answer
    x = 14,411.54

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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.