Home / 18,535.57-25,577.46-10,980.62

Finding the Fourth Proportional to 18,535.57, 25,577.46 and 10,980.62

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Solution

The fourth proportional to 18,535.57, 25,577.46 and 10,980.62 is: 15,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.57 : 25,577.46 = 10,980.62 : x
  2. Step 2: Convert to fraction form
    18,535.57/25,577.46 = 10,980.62/x
  3. Step 3: Cross multiply
    18,535.57x = 25,577.46 × 10,980.62
  4. Step 4: Simplify right side
    18,535.57x = 280,856,368.83
  5. Step 5: Solve for x
    x = 280,856,368.83/18,535.57
  6. Step 6: Final answer
    x = 15,152.29

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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.