Home / 14,937.49-20,612.98-8,223.70

Finding the Fourth Proportional to 14,937.49, 20,612.98 and 8,223.70

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Solution

The fourth proportional to 14,937.49, 20,612.98 and 8,223.70 is: 11,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.49 : 20,612.98 = 8,223.70 : x
  2. Step 2: Convert to fraction form
    14,937.49/20,612.98 = 8,223.70/x
  3. Step 3: Cross multiply
    14,937.49x = 20,612.98 × 8,223.70
  4. Step 4: Simplify right side
    14,937.49x = 169,514,963.63
  5. Step 5: Solve for x
    x = 169,514,963.63/14,937.49
  6. Step 6: Final answer
    x = 11,348.29

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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.