Home / 16,886.60-23,306.40-9,817.12

Finding the Fourth Proportional to 16,886.60, 23,306.40 and 9,817.12

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Solution

The fourth proportional to 16,886.60, 23,306.40 and 9,817.12 is: 13,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.60 : 23,306.40 = 9,817.12 : x
  2. Step 2: Convert to fraction form
    16,886.60/23,306.40 = 9,817.12/x
  3. Step 3: Cross multiply
    16,886.60x = 23,306.40 × 9,817.12
  4. Step 4: Simplify right side
    16,886.60x = 228,801,754.70
  5. Step 5: Solve for x
    x = 228,801,754.70/16,886.60
  6. Step 6: Final answer
    x = 13,549.31

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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.