Home / 21,677.60-32,525.72-9,206.04

Finding the Fourth Proportional to 21,677.60, 32,525.72 and 9,206.04

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Solution

The fourth proportional to 21,677.60, 32,525.72 and 9,206.04 is: 13,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.60 : 32,525.72 = 9,206.04 : x
  2. Step 2: Convert to fraction form
    21,677.60/32,525.72 = 9,206.04/x
  3. Step 3: Cross multiply
    21,677.60x = 32,525.72 × 9,206.04
  4. Step 4: Simplify right side
    21,677.60x = 299,433,079.35
  5. Step 5: Solve for x
    x = 299,433,079.35/21,677.60
  6. Step 6: Final answer
    x = 13,813.02

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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.