Home / 18,564.90-25,667.18-14,081.55

Finding the Fourth Proportional to 18,564.90, 25,667.18 and 14,081.55

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Solution

The fourth proportional to 18,564.90, 25,667.18 and 14,081.55 is: 19,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.90 : 25,667.18 = 14,081.55 : x
  2. Step 2: Convert to fraction form
    18,564.90/25,667.18 = 14,081.55/x
  3. Step 3: Cross multiply
    18,564.90x = 25,667.18 × 14,081.55
  4. Step 4: Simplify right side
    18,564.90x = 361,433,564.68
  5. Step 5: Solve for x
    x = 361,433,564.68/18,564.90
  6. Step 6: Final answer
    x = 19,468.66

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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.