Home / 21,724.41-32,531.46-18,205.16

Finding the Fourth Proportional to 21,724.41, 32,531.46 and 18,205.16

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Solution

The fourth proportional to 21,724.41, 32,531.46 and 18,205.16 is: 27,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.41 : 32,531.46 = 18,205.16 : x
  2. Step 2: Convert to fraction form
    21,724.41/32,531.46 = 18,205.16/x
  3. Step 3: Cross multiply
    21,724.41x = 32,531.46 × 18,205.16
  4. Step 4: Simplify right side
    21,724.41x = 592,240,434.33
  5. Step 5: Solve for x
    x = 592,240,434.33/21,724.41
  6. Step 6: Final answer
    x = 27,261.52

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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.