Home / 13,658.67-18,821.25-10,472.04

Finding the Fourth Proportional to 13,658.67, 18,821.25 and 10,472.04

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Solution

The fourth proportional to 13,658.67, 18,821.25 and 10,472.04 is: 14,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.67 : 18,821.25 = 10,472.04 : x
  2. Step 2: Convert to fraction form
    13,658.67/18,821.25 = 10,472.04/x
  3. Step 3: Cross multiply
    13,658.67x = 18,821.25 × 10,472.04
  4. Step 4: Simplify right side
    13,658.67x = 197,096,882.85
  5. Step 5: Solve for x
    x = 197,096,882.85/13,658.67
  6. Step 6: Final answer
    x = 14,430.17

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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.