Home / 13,695.12-20,564.28-8,524.08

Finding the Fourth Proportional to 13,695.12, 20,564.28 and 8,524.08

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Solution

The fourth proportional to 13,695.12, 20,564.28 and 8,524.08 is: 12,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.12 : 20,564.28 = 8,524.08 : x
  2. Step 2: Convert to fraction form
    13,695.12/20,564.28 = 8,524.08/x
  3. Step 3: Cross multiply
    13,695.12x = 20,564.28 × 8,524.08
  4. Step 4: Simplify right side
    13,695.12x = 175,291,567.86
  5. Step 5: Solve for x
    x = 175,291,567.86/13,695.12
  6. Step 6: Final answer
    x = 12,799.56

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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.