Home / 23,900.70-32,981.13-13,288.62

Finding the Fourth Proportional to 23,900.70, 32,981.13 and 13,288.62

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Solution

The fourth proportional to 23,900.70, 32,981.13 and 13,288.62 is: 18,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.70 : 32,981.13 = 13,288.62 : x
  2. Step 2: Convert to fraction form
    23,900.70/32,981.13 = 13,288.62/x
  3. Step 3: Cross multiply
    23,900.70x = 32,981.13 × 13,288.62
  4. Step 4: Simplify right side
    23,900.70x = 438,273,703.74
  5. Step 5: Solve for x
    x = 438,273,703.74/23,900.70
  6. Step 6: Final answer
    x = 18,337.27

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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.