Home / 22,818.40-34,212.80-9,667.20

Finding the Fourth Proportional to 22,818.40, 34,212.80 and 9,667.20

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Solution

The fourth proportional to 22,818.40, 34,212.80 and 9,667.20 is: 14,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.40 : 34,212.80 = 9,667.20 : x
  2. Step 2: Convert to fraction form
    22,818.40/34,212.80 = 9,667.20/x
  3. Step 3: Cross multiply
    22,818.40x = 34,212.80 × 9,667.20
  4. Step 4: Simplify right side
    22,818.40x = 330,741,980.16
  5. Step 5: Solve for x
    x = 330,741,980.16/22,818.40
  6. Step 6: Final answer
    x = 14,494.53

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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.