Home / 16,520.16-22,795.56-9,447.06

Finding the Fourth Proportional to 16,520.16, 22,795.56 and 9,447.06

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Solution

The fourth proportional to 16,520.16, 22,795.56 and 9,447.06 is: 13,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.16 : 22,795.56 = 9,447.06 : x
  2. Step 2: Convert to fraction form
    16,520.16/22,795.56 = 9,447.06/x
  3. Step 3: Cross multiply
    16,520.16x = 22,795.56 × 9,447.06
  4. Step 4: Simplify right side
    16,520.16x = 215,351,023.05
  5. Step 5: Solve for x
    x = 215,351,023.05/16,520.16
  6. Step 6: Final answer
    x = 13,035.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.