Home / 19,153.28-28,753.41-15,019.58

Finding the Fourth Proportional to 19,153.28, 28,753.41 and 15,019.58

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Solution

The fourth proportional to 19,153.28, 28,753.41 and 15,019.58 is: 22,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.28 : 28,753.41 = 15,019.58 : x
  2. Step 2: Convert to fraction form
    19,153.28/28,753.41 = 15,019.58/x
  3. Step 3: Cross multiply
    19,153.28x = 28,753.41 × 15,019.58
  4. Step 4: Simplify right side
    19,153.28x = 431,863,998.00
  5. Step 5: Solve for x
    x = 431,863,998.00/19,153.28
  6. Step 6: Final answer
    x = 22,547.79

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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.