Home / 27,103.14-37,402.80-15,165.18

Finding the Fourth Proportional to 27,103.14, 37,402.80 and 15,165.18

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Solution

The fourth proportional to 27,103.14, 37,402.80 and 15,165.18 is: 20,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.14 : 37,402.80 = 15,165.18 : x
  2. Step 2: Convert to fraction form
    27,103.14/37,402.80 = 15,165.18/x
  3. Step 3: Cross multiply
    27,103.14x = 37,402.80 × 15,165.18
  4. Step 4: Simplify right side
    27,103.14x = 567,220,194.50
  5. Step 5: Solve for x
    x = 567,220,194.50/27,103.14
  6. Step 6: Final answer
    x = 20,928.21

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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.