Home / 20,064.12-27,687.54-11,567.76

Finding the Fourth Proportional to 20,064.12, 27,687.54 and 11,567.76

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Solution

The fourth proportional to 20,064.12, 27,687.54 and 11,567.76 is: 15,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.12 : 27,687.54 = 11,567.76 : x
  2. Step 2: Convert to fraction form
    20,064.12/27,687.54 = 11,567.76/x
  3. Step 3: Cross multiply
    20,064.12x = 27,687.54 × 11,567.76
  4. Step 4: Simplify right side
    20,064.12x = 320,282,817.71
  5. Step 5: Solve for x
    x = 320,282,817.71/20,064.12
  6. Step 6: Final answer
    x = 15,962.96

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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.