Home / 17,520.80-26,265.60-6,424.92

Finding the Fourth Proportional to 17,520.80, 26,265.60 and 6,424.92

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Solution

The fourth proportional to 17,520.80, 26,265.60 and 6,424.92 is: 9,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.80 : 26,265.60 = 6,424.92 : x
  2. Step 2: Convert to fraction form
    17,520.80/26,265.60 = 6,424.92/x
  3. Step 3: Cross multiply
    17,520.80x = 26,265.60 × 6,424.92
  4. Step 4: Simplify right side
    17,520.80x = 168,754,378.75
  5. Step 5: Solve for x
    x = 168,754,378.75/17,520.80
  6. Step 6: Final answer
    x = 9,631.66

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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.