Home / 35,613.15-53,427.28-13,425.99

Finding the Fourth Proportional to 35,613.15, 53,427.28 and 13,425.99

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Solution

The fourth proportional to 35,613.15, 53,427.28 and 13,425.99 is: 20,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,613.15 : 53,427.28 = 13,425.99 : x
  2. Step 2: Convert to fraction form
    35,613.15/53,427.28 = 13,425.99/x
  3. Step 3: Cross multiply
    35,613.15x = 53,427.28 × 13,425.99
  4. Step 4: Simplify right side
    35,613.15x = 717,313,859.87
  5. Step 5: Solve for x
    x = 717,313,859.87/35,613.15
  6. Step 6: Final answer
    x = 20,141.83

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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.