Home / 27,750.03-38,298.54-18,197.95

Finding the Fourth Proportional to 27,750.03, 38,298.54 and 18,197.95

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Solution

The fourth proportional to 27,750.03, 38,298.54 and 18,197.95 is: 25,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.03 : 38,298.54 = 18,197.95 : x
  2. Step 2: Convert to fraction form
    27,750.03/38,298.54 = 18,197.95/x
  3. Step 3: Cross multiply
    27,750.03x = 38,298.54 × 18,197.95
  4. Step 4: Simplify right side
    27,750.03x = 696,954,960.30
  5. Step 5: Solve for x
    x = 696,954,960.30/27,750.03
  6. Step 6: Final answer
    x = 25,115.47

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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.