Home / 32,141.98-48,205.10-13,422.18

Finding the Fourth Proportional to 32,141.98, 48,205.10 and 13,422.18

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Solution

The fourth proportional to 32,141.98, 48,205.10 and 13,422.18 is: 20,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,141.98 : 48,205.10 = 13,422.18 : x
  2. Step 2: Convert to fraction form
    32,141.98/48,205.10 = 13,422.18/x
  3. Step 3: Cross multiply
    32,141.98x = 48,205.10 × 13,422.18
  4. Step 4: Simplify right side
    32,141.98x = 647,017,529.12
  5. Step 5: Solve for x
    x = 647,017,529.12/32,141.98
  6. Step 6: Final answer
    x = 20,129.98

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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.