Home / 19,599.47-29,402.85-9,211.22

Finding the Fourth Proportional to 19,599.47, 29,402.85 and 9,211.22

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Solution

The fourth proportional to 19,599.47, 29,402.85 and 9,211.22 is: 13,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.47 : 29,402.85 = 9,211.22 : x
  2. Step 2: Convert to fraction form
    19,599.47/29,402.85 = 9,211.22/x
  3. Step 3: Cross multiply
    19,599.47x = 29,402.85 × 9,211.22
  4. Step 4: Simplify right side
    19,599.47x = 270,836,065.95
  5. Step 5: Solve for x
    x = 270,836,065.95/19,599.47
  6. Step 6: Final answer
    x = 13,818.54

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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.