Home / 18,502.12-25,532.94-10,118.62

Finding the Fourth Proportional to 18,502.12, 25,532.94 and 10,118.62

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Solution

The fourth proportional to 18,502.12, 25,532.94 and 10,118.62 is: 13,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.12 : 25,532.94 = 10,118.62 : x
  2. Step 2: Convert to fraction form
    18,502.12/25,532.94 = 10,118.62/x
  3. Step 3: Cross multiply
    18,502.12x = 25,532.94 × 10,118.62
  4. Step 4: Simplify right side
    18,502.12x = 258,358,117.34
  5. Step 5: Solve for x
    x = 258,358,117.34/18,502.12
  6. Step 6: Final answer
    x = 13,963.70

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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.