Home / 14,257.20-21,389.45-5,934.45

Finding the Fourth Proportional to 14,257.20, 21,389.45 and 5,934.45

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Solution

The fourth proportional to 14,257.20, 21,389.45 and 5,934.45 is: 8,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.20 : 21,389.45 = 5,934.45 : x
  2. Step 2: Convert to fraction form
    14,257.20/21,389.45 = 5,934.45/x
  3. Step 3: Cross multiply
    14,257.20x = 21,389.45 × 5,934.45
  4. Step 4: Simplify right side
    14,257.20x = 126,934,621.55
  5. Step 5: Solve for x
    x = 126,934,621.55/14,257.20
  6. Step 6: Final answer
    x = 8,903.19

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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.