Home / 22,380.04-30,887.22-13,994.92

Finding the Fourth Proportional to 22,380.04, 30,887.22 and 13,994.92

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Solution

The fourth proportional to 22,380.04, 30,887.22 and 13,994.92 is: 19,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.04 : 30,887.22 = 13,994.92 : x
  2. Step 2: Convert to fraction form
    22,380.04/30,887.22 = 13,994.92/x
  3. Step 3: Cross multiply
    22,380.04x = 30,887.22 × 13,994.92
  4. Step 4: Simplify right side
    22,380.04x = 432,264,172.92
  5. Step 5: Solve for x
    x = 432,264,172.92/22,380.04
  6. Step 6: Final answer
    x = 19,314.72

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Double scale
Find fourth proportional to 22,381.04, 30,888.60 and 13,995.92
Similar ratio
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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.