Home / 38,982.45-58,459.15-14,015.68

Finding the Fourth Proportional to 38,982.45, 58,459.15 and 14,015.68

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Solution

The fourth proportional to 38,982.45, 58,459.15 and 14,015.68 is: 21,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.45 : 58,459.15 = 14,015.68 : x
  2. Step 2: Convert to fraction form
    38,982.45/58,459.15 = 14,015.68/x
  3. Step 3: Cross multiply
    38,982.45x = 58,459.15 × 14,015.68
  4. Step 4: Simplify right side
    38,982.45x = 819,344,739.47
  5. Step 5: Solve for x
    x = 819,344,739.47/38,982.45
  6. Step 6: Final answer
    x = 21,018.30

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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.