Home / 21,995.10-32,976.45-9,504.90

Finding the Fourth Proportional to 21,995.10, 32,976.45 and 9,504.90

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Solution

The fourth proportional to 21,995.10, 32,976.45 and 9,504.90 is: 14,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.10 : 32,976.45 = 9,504.90 : x
  2. Step 2: Convert to fraction form
    21,995.10/32,976.45 = 9,504.90/x
  3. Step 3: Cross multiply
    21,995.10x = 32,976.45 × 9,504.90
  4. Step 4: Simplify right side
    21,995.10x = 313,437,859.61
  5. Step 5: Solve for x
    x = 313,437,859.61/21,995.10
  6. Step 6: Final answer
    x = 14,250.35

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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.