Home / 15,531.12-23,297.40-4,439.39

Finding the Fourth Proportional to 15,531.12, 23,297.40 and 4,439.39

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Solution

The fourth proportional to 15,531.12, 23,297.40 and 4,439.39 is: 6,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.12 : 23,297.40 = 4,439.39 : x
  2. Step 2: Convert to fraction form
    15,531.12/23,297.40 = 4,439.39/x
  3. Step 3: Cross multiply
    15,531.12x = 23,297.40 × 4,439.39
  4. Step 4: Simplify right side
    15,531.12x = 103,426,128.10
  5. Step 5: Solve for x
    x = 103,426,128.10/15,531.12
  6. Step 6: Final answer
    x = 6,659.28

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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.