Home / 18,500.17-25,532.74-10,435.48

Finding the Fourth Proportional to 18,500.17, 25,532.74 and 10,435.48

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Solution

The fourth proportional to 18,500.17, 25,532.74 and 10,435.48 is: 14,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.17 : 25,532.74 = 10,435.48 : x
  2. Step 2: Convert to fraction form
    18,500.17/25,532.74 = 10,435.48/x
  3. Step 3: Cross multiply
    18,500.17x = 25,532.74 × 10,435.48
  4. Step 4: Simplify right side
    18,500.17x = 266,446,470.88
  5. Step 5: Solve for x
    x = 266,446,470.88/18,500.17
  6. Step 6: Final answer
    x = 14,402.38

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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.