Home / 27,545.19-38,011.56-15,612.38

Finding the Fourth Proportional to 27,545.19, 38,011.56 and 15,612.38

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Solution

The fourth proportional to 27,545.19, 38,011.56 and 15,612.38 is: 21,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.19 : 38,011.56 = 15,612.38 : x
  2. Step 2: Convert to fraction form
    27,545.19/38,011.56 = 15,612.38/x
  3. Step 3: Cross multiply
    27,545.19x = 38,011.56 × 15,612.38
  4. Step 4: Simplify right side
    27,545.19x = 593,450,919.11
  5. Step 5: Solve for x
    x = 593,450,919.11/27,545.19
  6. Step 6: Final answer
    x = 21,544.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.