Home / 23,017.12-31,729.80-16,281.97

Finding the Fourth Proportional to 23,017.12, 31,729.80 and 16,281.97

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Solution

The fourth proportional to 23,017.12, 31,729.80 and 16,281.97 is: 22,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.12 : 31,729.80 = 16,281.97 : x
  2. Step 2: Convert to fraction form
    23,017.12/31,729.80 = 16,281.97/x
  3. Step 3: Cross multiply
    23,017.12x = 31,729.80 × 16,281.97
  4. Step 4: Simplify right side
    23,017.12x = 516,623,651.71
  5. Step 5: Solve for x
    x = 516,623,651.71/23,017.12
  6. Step 6: Final answer
    x = 22,445.19

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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.