Home / 38,982.90-58,434.51-13,674.84

Finding the Fourth Proportional to 38,982.90, 58,434.51 and 13,674.84

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Solution

The fourth proportional to 38,982.90, 58,434.51 and 13,674.84 is: 20,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.90 : 58,434.51 = 13,674.84 : x
  2. Step 2: Convert to fraction form
    38,982.90/58,434.51 = 13,674.84/x
  3. Step 3: Cross multiply
    38,982.90x = 58,434.51 × 13,674.84
  4. Step 4: Simplify right side
    38,982.90x = 799,082,574.73
  5. Step 5: Solve for x
    x = 799,082,574.73/38,982.90
  6. Step 6: Final answer
    x = 20,498.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.