Home / 16,559.20-22,851.60-9,107.20

Finding the Fourth Proportional to 16,559.20, 22,851.60 and 9,107.20

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Solution

The fourth proportional to 16,559.20, 22,851.60 and 9,107.20 is: 12,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,559.20 : 22,851.60 = 9,107.20 : x
  2. Step 2: Convert to fraction form
    16,559.20/22,851.60 = 9,107.20/x
  3. Step 3: Cross multiply
    16,559.20x = 22,851.60 × 9,107.20
  4. Step 4: Simplify right side
    16,559.20x = 208,114,091.52
  5. Step 5: Solve for x
    x = 208,114,091.52/16,559.20
  6. Step 6: Final answer
    x = 12,567.88

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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.