Home / 16,116.60-24,112.80-9,875.28

Finding the Fourth Proportional to 16,116.60, 24,112.80 and 9,875.28

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Solution

The fourth proportional to 16,116.60, 24,112.80 and 9,875.28 is: 14,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.60 : 24,112.80 = 9,875.28 : x
  2. Step 2: Convert to fraction form
    16,116.60/24,112.80 = 9,875.28/x
  3. Step 3: Cross multiply
    16,116.60x = 24,112.80 × 9,875.28
  4. Step 4: Simplify right side
    16,116.60x = 238,120,651.58
  5. Step 5: Solve for x
    x = 238,120,651.58/16,116.60
  6. Step 6: Final answer
    x = 14,774.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.