Home / 17,200.15-25,800.90-5,354.13

Finding the Fourth Proportional to 17,200.15, 25,800.90 and 5,354.13

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Solution

The fourth proportional to 17,200.15, 25,800.90 and 5,354.13 is: 8,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.15 : 25,800.90 = 5,354.13 : x
  2. Step 2: Convert to fraction form
    17,200.15/25,800.90 = 5,354.13/x
  3. Step 3: Cross multiply
    17,200.15x = 25,800.90 × 5,354.13
  4. Step 4: Simplify right side
    17,200.15x = 138,141,276.87
  5. Step 5: Solve for x
    x = 138,141,276.87/17,200.15
  6. Step 6: Final answer
    x = 8,031.40

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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.