Home / 15,568.32-21,484.08-8,494.59

Finding the Fourth Proportional to 15,568.32, 21,484.08 and 8,494.59

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Solution

The fourth proportional to 15,568.32, 21,484.08 and 8,494.59 is: 11,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.32 : 21,484.08 = 8,494.59 : x
  2. Step 2: Convert to fraction form
    15,568.32/21,484.08 = 8,494.59/x
  3. Step 3: Cross multiply
    15,568.32x = 21,484.08 × 8,494.59
  4. Step 4: Simplify right side
    15,568.32x = 182,498,451.13
  5. Step 5: Solve for x
    x = 182,498,451.13/15,568.32
  6. Step 6: Final answer
    x = 11,722.42

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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.