Home / 22,002.57-30,363.57-13,054.50

Finding the Fourth Proportional to 22,002.57, 30,363.57 and 13,054.50

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Solution

The fourth proportional to 22,002.57, 30,363.57 and 13,054.50 is: 18,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.57 : 30,363.57 = 13,054.50 : x
  2. Step 2: Convert to fraction form
    22,002.57/30,363.57 = 13,054.50/x
  3. Step 3: Cross multiply
    22,002.57x = 30,363.57 × 13,054.50
  4. Step 4: Simplify right side
    22,002.57x = 396,381,224.57
  5. Step 5: Solve for x
    x = 396,381,224.57/22,002.57
  6. Step 6: Final answer
    x = 18,015.22

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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.