Home / 18,510.12-25,542.42-10,552.20

Finding the Fourth Proportional to 18,510.12, 25,542.42 and 10,552.20

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Solution

The fourth proportional to 18,510.12, 25,542.42 and 10,552.20 is: 14,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.12 : 25,542.42 = 10,552.20 : x
  2. Step 2: Convert to fraction form
    18,510.12/25,542.42 = 10,552.20/x
  3. Step 3: Cross multiply
    18,510.12x = 25,542.42 × 10,552.20
  4. Step 4: Simplify right side
    18,510.12x = 269,528,724.32
  5. Step 5: Solve for x
    x = 269,528,724.32/18,510.12
  6. Step 6: Final answer
    x = 14,561.15

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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.