Home / 14,778.57-22,171.19-4,918.23

Finding the Fourth Proportional to 14,778.57, 22,171.19 and 4,918.23

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Solution

The fourth proportional to 14,778.57, 22,171.19 and 4,918.23 is: 7,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.57 : 22,171.19 = 4,918.23 : x
  2. Step 2: Convert to fraction form
    14,778.57/22,171.19 = 4,918.23/x
  3. Step 3: Cross multiply
    14,778.57x = 22,171.19 × 4,918.23
  4. Step 4: Simplify right side
    14,778.57x = 109,043,061.07
  5. Step 5: Solve for x
    x = 109,043,061.07/14,778.57
  6. Step 6: Final answer
    x = 7,378.46

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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.