Home / 18,778.16-25,886.26-14,294.10

Finding the Fourth Proportional to 18,778.16, 25,886.26 and 14,294.10

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Solution

The fourth proportional to 18,778.16, 25,886.26 and 14,294.10 is: 19,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.16 : 25,886.26 = 14,294.10 : x
  2. Step 2: Convert to fraction form
    18,778.16/25,886.26 = 14,294.10/x
  3. Step 3: Cross multiply
    18,778.16x = 25,886.26 × 14,294.10
  4. Step 4: Simplify right side
    18,778.16x = 370,020,789.07
  5. Step 5: Solve for x
    x = 370,020,789.07/18,778.16
  6. Step 6: Final answer
    x = 19,704.85

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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.