Home / 27,286.60-37,655.13-15,349.93

Finding the Fourth Proportional to 27,286.60, 37,655.13 and 15,349.93

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Solution

The fourth proportional to 27,286.60, 37,655.13 and 15,349.93 is: 21,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.60 : 37,655.13 = 15,349.93 : x
  2. Step 2: Convert to fraction form
    27,286.60/37,655.13 = 15,349.93/x
  3. Step 3: Cross multiply
    27,286.60x = 37,655.13 × 15,349.93
  4. Step 4: Simplify right side
    27,286.60x = 578,003,609.64
  5. Step 5: Solve for x
    x = 578,003,609.64/27,286.60
  6. Step 6: Final answer
    x = 21,182.69

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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.