Home / 19,193.66-28,734.45-15,503.10

Finding the Fourth Proportional to 19,193.66, 28,734.45 and 15,503.10

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Solution

The fourth proportional to 19,193.66, 28,734.45 and 15,503.10 is: 23,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.66 : 28,734.45 = 15,503.10 : x
  2. Step 2: Convert to fraction form
    19,193.66/28,734.45 = 15,503.10/x
  3. Step 3: Cross multiply
    19,193.66x = 28,734.45 × 15,503.10
  4. Step 4: Simplify right side
    19,193.66x = 445,472,885.90
  5. Step 5: Solve for x
    x = 445,472,885.90/19,193.66
  6. Step 6: Final answer
    x = 23,209.38

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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.