Home / 18,370.11-27,535.65-11,685.58

Finding the Fourth Proportional to 18,370.11, 27,535.65 and 11,685.58

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Solution

The fourth proportional to 18,370.11, 27,535.65 and 11,685.58 is: 17,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.11 : 27,535.65 = 11,685.58 : x
  2. Step 2: Convert to fraction form
    18,370.11/27,535.65 = 11,685.58/x
  3. Step 3: Cross multiply
    18,370.11x = 27,535.65 × 11,685.58
  4. Step 4: Simplify right side
    18,370.11x = 321,769,955.28
  5. Step 5: Solve for x
    x = 321,769,955.28/18,370.11
  6. Step 6: Final answer
    x = 17,515.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.