Home / 43,933.59-65,875.14-13,530.85

Finding the Fourth Proportional to 43,933.59, 65,875.14 and 13,530.85

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Solution

The fourth proportional to 43,933.59, 65,875.14 and 13,530.85 is: 20,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,933.59 : 65,875.14 = 13,530.85 : x
  2. Step 2: Convert to fraction form
    43,933.59/65,875.14 = 13,530.85/x
  3. Step 3: Cross multiply
    43,933.59x = 65,875.14 × 13,530.85
  4. Step 4: Simplify right side
    43,933.59x = 891,346,473.38
  5. Step 5: Solve for x
    x = 891,346,473.38/43,933.59
  6. Step 6: Final answer
    x = 20,288.50

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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.