Home / 20,019.15-27,624.17-11,064.40

Finding the Fourth Proportional to 20,019.15, 27,624.17 and 11,064.40

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Solution

The fourth proportional to 20,019.15, 27,624.17 and 11,064.40 is: 15,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.15 : 27,624.17 = 11,064.40 : x
  2. Step 2: Convert to fraction form
    20,019.15/27,624.17 = 11,064.40/x
  3. Step 3: Cross multiply
    20,019.15x = 27,624.17 × 11,064.40
  4. Step 4: Simplify right side
    20,019.15x = 305,644,825.15
  5. Step 5: Solve for x
    x = 305,644,825.15/20,019.15
  6. Step 6: Final answer
    x = 15,267.62

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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.