Home / 13,572.08-20,357.44-3,711.16

Finding the Fourth Proportional to 13,572.08, 20,357.44 and 3,711.16

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Solution

The fourth proportional to 13,572.08, 20,357.44 and 3,711.16 is: 5,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.08 : 20,357.44 = 3,711.16 : x
  2. Step 2: Convert to fraction form
    13,572.08/20,357.44 = 3,711.16/x
  3. Step 3: Cross multiply
    13,572.08x = 20,357.44 × 3,711.16
  4. Step 4: Simplify right side
    13,572.08x = 75,549,717.03
  5. Step 5: Solve for x
    x = 75,549,717.03/13,572.08
  6. Step 6: Final answer
    x = 5,566.55

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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.