Home / 17,475.20-24,114.94-9,920.50

Finding the Fourth Proportional to 17,475.20, 24,114.94 and 9,920.50

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Solution

The fourth proportional to 17,475.20, 24,114.94 and 9,920.50 is: 13,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,475.20 : 24,114.94 = 9,920.50 : x
  2. Step 2: Convert to fraction form
    17,475.20/24,114.94 = 9,920.50/x
  3. Step 3: Cross multiply
    17,475.20x = 24,114.94 × 9,920.50
  4. Step 4: Simplify right side
    17,475.20x = 239,232,315.52
  5. Step 5: Solve for x
    x = 239,232,315.52/17,475.20
  6. Step 6: Final answer
    x = 13,689.82

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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.