Home / 13,943.95-20,916.38-5,061.08

Finding the Fourth Proportional to 13,943.95, 20,916.38 and 5,061.08

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Solution

The fourth proportional to 13,943.95, 20,916.38 and 5,061.08 is: 7,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.95 : 20,916.38 = 5,061.08 : x
  2. Step 2: Convert to fraction form
    13,943.95/20,916.38 = 5,061.08/x
  3. Step 3: Cross multiply
    13,943.95x = 20,916.38 × 5,061.08
  4. Step 4: Simplify right side
    13,943.95x = 105,859,508.97
  5. Step 5: Solve for x
    x = 105,859,508.97/13,943.95
  6. Step 6: Final answer
    x = 7,591.79

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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.