Home / 29,172.60-43,759.80-11,402.55

Finding the Fourth Proportional to 29,172.60, 43,759.80 and 11,402.55

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Solution

The fourth proportional to 29,172.60, 43,759.80 and 11,402.55 is: 17,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.60 : 43,759.80 = 11,402.55 : x
  2. Step 2: Convert to fraction form
    29,172.60/43,759.80 = 11,402.55/x
  3. Step 3: Cross multiply
    29,172.60x = 43,759.80 × 11,402.55
  4. Step 4: Simplify right side
    29,172.60x = 498,973,307.49
  5. Step 5: Solve for x
    x = 498,973,307.49/29,172.60
  6. Step 6: Final answer
    x = 17,104.18

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1.5x scale

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.