Home / 22,320.80-33,455.16-16,422.80

Finding the Fourth Proportional to 22,320.80, 33,455.16 and 16,422.80

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Solution

The fourth proportional to 22,320.80, 33,455.16 and 16,422.80 is: 24,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.80 : 33,455.16 = 16,422.80 : x
  2. Step 2: Convert to fraction form
    22,320.80/33,455.16 = 16,422.80/x
  3. Step 3: Cross multiply
    22,320.80x = 33,455.16 × 16,422.80
  4. Step 4: Simplify right side
    22,320.80x = 549,427,401.65
  5. Step 5: Solve for x
    x = 549,427,401.65/22,320.80
  6. Step 6: Final answer
    x = 24,615.04

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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.