Home / 27,584.40-38,066.76-15,009.12

Finding the Fourth Proportional to 27,584.40, 38,066.76 and 15,009.12

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Solution

The fourth proportional to 27,584.40, 38,066.76 and 15,009.12 is: 20,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584.40 : 38,066.76 = 15,009.12 : x
  2. Step 2: Convert to fraction form
    27,584.40/38,066.76 = 15,009.12/x
  3. Step 3: Cross multiply
    27,584.40x = 38,066.76 × 15,009.12
  4. Step 4: Simplify right side
    27,584.40x = 571,348,568.85
  5. Step 5: Solve for x
    x = 571,348,568.85/27,584.40
  6. Step 6: Final answer
    x = 20,712.74

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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.