Home / 42,349.50-63,528.03-11,184.75

Finding the Fourth Proportional to 42,349.50, 63,528.03 and 11,184.75

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Solution

The fourth proportional to 42,349.50, 63,528.03 and 11,184.75 is: 16,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349.50 : 63,528.03 = 11,184.75 : x
  2. Step 2: Convert to fraction form
    42,349.50/63,528.03 = 11,184.75/x
  3. Step 3: Cross multiply
    42,349.50x = 63,528.03 × 11,184.75
  4. Step 4: Simplify right side
    42,349.50x = 710,545,133.54
  5. Step 5: Solve for x
    x = 710,545,133.54/42,349.50
  6. Step 6: Final answer
    x = 16,778.12

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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.