Home / 17,531.60-26,297.40-8,315.60

Finding the Fourth Proportional to 17,531.60, 26,297.40 and 8,315.60

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Solution

The fourth proportional to 17,531.60, 26,297.40 and 8,315.60 is: 12,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.60 : 26,297.40 = 8,315.60 : x
  2. Step 2: Convert to fraction form
    17,531.60/26,297.40 = 8,315.60/x
  3. Step 3: Cross multiply
    17,531.60x = 26,297.40 × 8,315.60
  4. Step 4: Simplify right side
    17,531.60x = 218,678,659.44
  5. Step 5: Solve for x
    x = 218,678,659.44/17,531.60
  6. Step 6: Final answer
    x = 12,473.40

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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.