Home / 35,616.24-53,429.40-13,437.72

Finding the Fourth Proportional to 35,616.24, 53,429.40 and 13,437.72

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Solution

The fourth proportional to 35,616.24, 53,429.40 and 13,437.72 is: 20,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,616.24 : 53,429.40 = 13,437.72 : x
  2. Step 2: Convert to fraction form
    35,616.24/53,429.40 = 13,437.72/x
  3. Step 3: Cross multiply
    35,616.24x = 53,429.40 × 13,437.72
  4. Step 4: Simplify right side
    35,616.24x = 717,969,316.97
  5. Step 5: Solve for x
    x = 717,969,316.97/35,616.24
  6. Step 6: Final answer
    x = 20,158.48

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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.