Home / 14,937.35-20,612.87-8,223.41

Finding the Fourth Proportional to 14,937.35, 20,612.87 and 8,223.41

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Solution

The fourth proportional to 14,937.35, 20,612.87 and 8,223.41 is: 11,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.35 : 20,612.87 = 8,223.41 : x
  2. Step 2: Convert to fraction form
    14,937.35/20,612.87 = 8,223.41/x
  3. Step 3: Cross multiply
    14,937.35x = 20,612.87 × 8,223.41
  4. Step 4: Simplify right side
    14,937.35x = 169,508,081.29
  5. Step 5: Solve for x
    x = 169,508,081.29/14,937.35
  6. Step 6: Final answer
    x = 11,347.94

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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.