Home / 19,209.17-28,824.70-15,338.18

Finding the Fourth Proportional to 19,209.17, 28,824.70 and 15,338.18

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Solution

The fourth proportional to 19,209.17, 28,824.70 and 15,338.18 is: 23,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.17 : 28,824.70 = 15,338.18 : x
  2. Step 2: Convert to fraction form
    19,209.17/28,824.70 = 15,338.18/x
  3. Step 3: Cross multiply
    19,209.17x = 28,824.70 × 15,338.18
  4. Step 4: Simplify right side
    19,209.17x = 442,118,470.76
  5. Step 5: Solve for x
    x = 442,118,470.76/19,209.17
  6. Step 6: Final answer
    x = 23,016.01

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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.