Home / 18,232.87-25,160.75-10,275.03

Finding the Fourth Proportional to 18,232.87, 25,160.75 and 10,275.03

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Solution

The fourth proportional to 18,232.87, 25,160.75 and 10,275.03 is: 14,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.87 : 25,160.75 = 10,275.03 : x
  2. Step 2: Convert to fraction form
    18,232.87/25,160.75 = 10,275.03/x
  3. Step 3: Cross multiply
    18,232.87x = 25,160.75 × 10,275.03
  4. Step 4: Simplify right side
    18,232.87x = 258,527,461.07
  5. Step 5: Solve for x
    x = 258,527,461.07/18,232.87
  6. Step 6: Final answer
    x = 14,179.20

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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.