Home / 25,588.11-38,335.40-18,550.68

Finding the Fourth Proportional to 25,588.11, 38,335.40 and 18,550.68

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Solution

The fourth proportional to 25,588.11, 38,335.40 and 18,550.68 is: 27,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.11 : 38,335.40 = 18,550.68 : x
  2. Step 2: Convert to fraction form
    25,588.11/38,335.40 = 18,550.68/x
  3. Step 3: Cross multiply
    25,588.11x = 38,335.40 × 18,550.68
  4. Step 4: Simplify right side
    25,588.11x = 711,147,738.07
  5. Step 5: Solve for x
    x = 711,147,738.07/25,588.11
  6. Step 6: Final answer
    x = 27,792.12

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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.