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Finding the Fourth Proportional to 14,594.60, 20,140.50 and 8,306.60

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Solution

The fourth proportional to 14,594.60, 20,140.50 and 8,306.60 is: 11,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.60 : 20,140.50 = 8,306.60 : x
  2. Step 2: Convert to fraction form
    14,594.60/20,140.50 = 8,306.60/x
  3. Step 3: Cross multiply
    14,594.60x = 20,140.50 × 8,306.60
  4. Step 4: Simplify right side
    14,594.60x = 167,299,077.30
  5. Step 5: Solve for x
    x = 167,299,077.30/14,594.60
  6. Step 6: Final answer
    x = 11,463.08

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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.