Home / 14,442.97-19,920.63-9,132.66

Finding the Fourth Proportional to 14,442.97, 19,920.63 and 9,132.66

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Solution

The fourth proportional to 14,442.97, 19,920.63 and 9,132.66 is: 12,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.97 : 19,920.63 = 9,132.66 : x
  2. Step 2: Convert to fraction form
    14,442.97/19,920.63 = 9,132.66/x
  3. Step 3: Cross multiply
    14,442.97x = 19,920.63 × 9,132.66
  4. Step 4: Simplify right side
    14,442.97x = 181,928,340.78
  5. Step 5: Solve for x
    x = 181,928,340.78/14,442.97
  6. Step 6: Final answer
    x = 12,596.33

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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.