Home / 14,680.17-20,259.65-8,306.79

Finding the Fourth Proportional to 14,680.17, 20,259.65 and 8,306.79

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Solution

The fourth proportional to 14,680.17, 20,259.65 and 8,306.79 is: 11,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.17 : 20,259.65 = 8,306.79 : x
  2. Step 2: Convert to fraction form
    14,680.17/20,259.65 = 8,306.79/x
  3. Step 3: Cross multiply
    14,680.17x = 20,259.65 × 8,306.79
  4. Step 4: Simplify right side
    14,680.17x = 168,292,602.82
  5. Step 5: Solve for x
    x = 168,292,602.82/14,680.17
  6. Step 6: Final answer
    x = 11,463.94

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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.