Home / 16,888.55-23,306.28-9,231.98

Finding the Fourth Proportional to 16,888.55, 23,306.28 and 9,231.98

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Solution

The fourth proportional to 16,888.55, 23,306.28 and 9,231.98 is: 12,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.55 : 23,306.28 = 9,231.98 : x
  2. Step 2: Convert to fraction form
    16,888.55/23,306.28 = 9,231.98/x
  3. Step 3: Cross multiply
    16,888.55x = 23,306.28 × 9,231.98
  4. Step 4: Simplify right side
    16,888.55x = 215,163,110.83
  5. Step 5: Solve for x
    x = 215,163,110.83/16,888.55
  6. Step 6: Final answer
    x = 12,740.18

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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.