Home / 13,656.08-20,500.48-9,260.20

Finding the Fourth Proportional to 13,656.08, 20,500.48 and 9,260.20

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Solution

The fourth proportional to 13,656.08, 20,500.48 and 9,260.20 is: 13,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.08 : 20,500.48 = 9,260.20 : x
  2. Step 2: Convert to fraction form
    13,656.08/20,500.48 = 9,260.20/x
  3. Step 3: Cross multiply
    13,656.08x = 20,500.48 × 9,260.20
  4. Step 4: Simplify right side
    13,656.08x = 189,838,544.90
  5. Step 5: Solve for x
    x = 189,838,544.90/13,656.08
  6. Step 6: Final answer
    x = 13,901.39

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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.