Home / 27,708.39-38,237.55-15,133.14

Finding the Fourth Proportional to 27,708.39, 38,237.55 and 15,133.14

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Solution

The fourth proportional to 27,708.39, 38,237.55 and 15,133.14 is: 20,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.39 : 38,237.55 = 15,133.14 : x
  2. Step 2: Convert to fraction form
    27,708.39/38,237.55 = 15,133.14/x
  3. Step 3: Cross multiply
    27,708.39x = 38,237.55 × 15,133.14
  4. Step 4: Simplify right side
    27,708.39x = 578,654,197.41
  5. Step 5: Solve for x
    x = 578,654,197.41/27,708.39
  6. Step 6: Final answer
    x = 20,883.72

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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.