Home / 13,995.20-19,311.98-8,026.04

Finding the Fourth Proportional to 13,995.20, 19,311.98 and 8,026.04

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Solution

The fourth proportional to 13,995.20, 19,311.98 and 8,026.04 is: 11,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.20 : 19,311.98 = 8,026.04 : x
  2. Step 2: Convert to fraction form
    13,995.20/19,311.98 = 8,026.04/x
  3. Step 3: Cross multiply
    13,995.20x = 19,311.98 × 8,026.04
  4. Step 4: Simplify right side
    13,995.20x = 154,998,587.27
  5. Step 5: Solve for x
    x = 154,998,587.27/13,995.20
  6. Step 6: Final answer
    x = 11,075.13

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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.