Home / 18,949.96-26,158.15-14,247.90

Finding the Fourth Proportional to 18,949.96, 26,158.15 and 14,247.90

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Solution

The fourth proportional to 18,949.96, 26,158.15 and 14,247.90 is: 19,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.96 : 26,158.15 = 14,247.90 : x
  2. Step 2: Convert to fraction form
    18,949.96/26,158.15 = 14,247.90/x
  3. Step 3: Cross multiply
    18,949.96x = 26,158.15 × 14,247.90
  4. Step 4: Simplify right side
    18,949.96x = 372,698,705.39
  5. Step 5: Solve for x
    x = 372,698,705.39/18,949.96
  6. Step 6: Final answer
    x = 19,667.52

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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.