Home / 16,659.80-22,991.40-9,587.30

Finding the Fourth Proportional to 16,659.80, 22,991.40 and 9,587.30

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Solution

The fourth proportional to 16,659.80, 22,991.40 and 9,587.30 is: 13,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.80 : 22,991.40 = 9,587.30 : x
  2. Step 2: Convert to fraction form
    16,659.80/22,991.40 = 9,587.30/x
  3. Step 3: Cross multiply
    16,659.80x = 22,991.40 × 9,587.30
  4. Step 4: Simplify right side
    16,659.80x = 220,425,449.22
  5. Step 5: Solve for x
    x = 220,425,449.22/16,659.80
  6. Step 6: Final answer
    x = 13,230.98

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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.