Home / 18,508.56-25,541.76-10,125.04

Finding the Fourth Proportional to 18,508.56, 25,541.76 and 10,125.04

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Solution

The fourth proportional to 18,508.56, 25,541.76 and 10,125.04 is: 13,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.56 : 25,541.76 = 10,125.04 : x
  2. Step 2: Convert to fraction form
    18,508.56/25,541.76 = 10,125.04/x
  3. Step 3: Cross multiply
    18,508.56x = 25,541.76 × 10,125.04
  4. Step 4: Simplify right side
    18,508.56x = 258,611,341.67
  5. Step 5: Solve for x
    x = 258,611,341.67/18,508.56
  6. Step 6: Final answer
    x = 13,972.53

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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.