Home / 18,490.24-25,516.08-10,535.04

Finding the Fourth Proportional to 18,490.24, 25,516.08 and 10,535.04

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Solution

The fourth proportional to 18,490.24, 25,516.08 and 10,535.04 is: 14,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.24 : 25,516.08 = 10,535.04 : x
  2. Step 2: Convert to fraction form
    18,490.24/25,516.08 = 10,535.04/x
  3. Step 3: Cross multiply
    18,490.24x = 25,516.08 × 10,535.04
  4. Step 4: Simplify right side
    18,490.24x = 268,812,923.44
  5. Step 5: Solve for x
    x = 268,812,923.44/18,490.24
  6. Step 6: Final answer
    x = 14,538.10

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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.