Home / 23,427.80-32,331.04-12,817.98

Finding the Fourth Proportional to 23,427.80, 32,331.04 and 12,817.98

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Solution

The fourth proportional to 23,427.80, 32,331.04 and 12,817.98 is: 17,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.80 : 32,331.04 = 12,817.98 : x
  2. Step 2: Convert to fraction form
    23,427.80/32,331.04 = 12,817.98/x
  3. Step 3: Cross multiply
    23,427.80x = 32,331.04 × 12,817.98
  4. Step 4: Simplify right side
    23,427.80x = 414,418,624.10
  5. Step 5: Solve for x
    x = 414,418,624.10/23,427.80
  6. Step 6: Final answer
    x = 17,689.18

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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.