Home / 13,504.16-18,635.68-7,535.48

Finding the Fourth Proportional to 13,504.16, 18,635.68 and 7,535.48

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Solution

The fourth proportional to 13,504.16, 18,635.68 and 7,535.48 is: 10,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.16 : 18,635.68 = 7,535.48 : x
  2. Step 2: Convert to fraction form
    13,504.16/18,635.68 = 7,535.48/x
  3. Step 3: Cross multiply
    13,504.16x = 18,635.68 × 7,535.48
  4. Step 4: Simplify right side
    13,504.16x = 140,428,793.93
  5. Step 5: Solve for x
    x = 140,428,793.93/13,504.16
  6. Step 6: Final answer
    x = 10,398.93

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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.