Home / 22,015.17-30,380.40-12,583.13

Finding the Fourth Proportional to 22,015.17, 30,380.40 and 12,583.13

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Solution

The fourth proportional to 22,015.17, 30,380.40 and 12,583.13 is: 17,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.17 : 30,380.40 = 12,583.13 : x
  2. Step 2: Convert to fraction form
    22,015.17/30,380.40 = 12,583.13/x
  3. Step 3: Cross multiply
    22,015.17x = 30,380.40 × 12,583.13
  4. Step 4: Simplify right side
    22,015.17x = 382,280,370.75
  5. Step 5: Solve for x
    x = 382,280,370.75/22,015.17
  6. Step 6: Final answer
    x = 17,364.41

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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.