Home / 39,770.08-59,651.46-13,475.08

Finding the Fourth Proportional to 39,770.08, 59,651.46 and 13,475.08

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Solution

The fourth proportional to 39,770.08, 59,651.46 and 13,475.08 is: 20,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.08 : 59,651.46 = 13,475.08 : x
  2. Step 2: Convert to fraction form
    39,770.08/59,651.46 = 13,475.08/x
  3. Step 3: Cross multiply
    39,770.08x = 59,651.46 × 13,475.08
  4. Step 4: Simplify right side
    39,770.08x = 803,808,195.62
  5. Step 5: Solve for x
    x = 803,808,195.62/39,770.08
  6. Step 6: Final answer
    x = 20,211.38

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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.