Home / 14,801.40-20,425.70-8,086.89

Finding the Fourth Proportional to 14,801.40, 20,425.70 and 8,086.89

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Solution

The fourth proportional to 14,801.40, 20,425.70 and 8,086.89 is: 11,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.40 : 20,425.70 = 8,086.89 : x
  2. Step 2: Convert to fraction form
    14,801.40/20,425.70 = 8,086.89/x
  3. Step 3: Cross multiply
    14,801.40x = 20,425.70 × 8,086.89
  4. Step 4: Simplify right side
    14,801.40x = 165,180,342.46
  5. Step 5: Solve for x
    x = 165,180,342.46/14,801.40
  6. Step 6: Final answer
    x = 11,159.77

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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.