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Finding the Fourth Proportional to 17,314.60, 23,881.08 and 14,928.76

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Solution

The fourth proportional to 17,314.60, 23,881.08 and 14,928.76 is: 20,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,314.60 : 23,881.08 = 14,928.76 : x
  2. Step 2: Convert to fraction form
    17,314.60/23,881.08 = 14,928.76/x
  3. Step 3: Cross multiply
    17,314.60x = 23,881.08 × 14,928.76
  4. Step 4: Simplify right side
    17,314.60x = 356,514,911.86
  5. Step 5: Solve for x
    x = 356,514,911.86/17,314.60
  6. Step 6: Final answer
    x = 20,590.42

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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.