Home / 17,611.60-26,417.40-5,299.60

Finding the Fourth Proportional to 17,611.60, 26,417.40 and 5,299.60

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Solution

The fourth proportional to 17,611.60, 26,417.40 and 5,299.60 is: 7,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.60 : 26,417.40 = 5,299.60 : x
  2. Step 2: Convert to fraction form
    17,611.60/26,417.40 = 5,299.60/x
  3. Step 3: Cross multiply
    17,611.60x = 26,417.40 × 5,299.60
  4. Step 4: Simplify right side
    17,611.60x = 140,001,653.04
  5. Step 5: Solve for x
    x = 140,001,653.04/17,611.60
  6. Step 6: Final answer
    x = 7,949.40

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Similar ratio
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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.