Home / 17,116.60-25,658.70-13,366.30

Finding the Fourth Proportional to 17,116.60, 25,658.70 and 13,366.30

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Solution

The fourth proportional to 17,116.60, 25,658.70 and 13,366.30 is: 20,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.60 : 25,658.70 = 13,366.30 : x
  2. Step 2: Convert to fraction form
    17,116.60/25,658.70 = 13,366.30/x
  3. Step 3: Cross multiply
    17,116.60x = 25,658.70 × 13,366.30
  4. Step 4: Simplify right side
    17,116.60x = 342,961,881.81
  5. Step 5: Solve for x
    x = 342,961,881.81/17,116.60
  6. Step 6: Final answer
    x = 20,036.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.