Home / 27,742.14-38,254.05-17,657.69

Finding the Fourth Proportional to 27,742.14, 38,254.05 and 17,657.69

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Solution

The fourth proportional to 27,742.14, 38,254.05 and 17,657.69 is: 24,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.14 : 38,254.05 = 17,657.69 : x
  2. Step 2: Convert to fraction form
    27,742.14/38,254.05 = 17,657.69/x
  3. Step 3: Cross multiply
    27,742.14x = 38,254.05 × 17,657.69
  4. Step 4: Simplify right side
    27,742.14x = 675,477,964.87
  5. Step 5: Solve for x
    x = 675,477,964.87/27,742.14
  6. Step 6: Final answer
    x = 24,348.44

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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.