Home / 19,526.64-29,276.04-9,132.72

Finding the Fourth Proportional to 19,526.64, 29,276.04 and 9,132.72

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Solution

The fourth proportional to 19,526.64, 29,276.04 and 9,132.72 is: 13,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.64 : 29,276.04 = 9,132.72 : x
  2. Step 2: Convert to fraction form
    19,526.64/29,276.04 = 9,132.72/x
  3. Step 3: Cross multiply
    19,526.64x = 29,276.04 × 9,132.72
  4. Step 4: Simplify right side
    19,526.64x = 267,369,876.03
  5. Step 5: Solve for x
    x = 267,369,876.03/19,526.64
  6. Step 6: Final answer
    x = 13,692.57

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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.