Home / 25,588.61-38,336.15-18,551.18

Finding the Fourth Proportional to 25,588.61, 38,336.15 and 18,551.18

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Solution

The fourth proportional to 25,588.61, 38,336.15 and 18,551.18 is: 27,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.61 : 38,336.15 = 18,551.18 : x
  2. Step 2: Convert to fraction form
    25,588.61/38,336.15 = 18,551.18/x
  3. Step 3: Cross multiply
    25,588.61x = 38,336.15 × 18,551.18
  4. Step 4: Simplify right side
    25,588.61x = 711,180,673.85
  5. Step 5: Solve for x
    x = 711,180,673.85/25,588.61
  6. Step 6: Final answer
    x = 27,792.86

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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.