Home / 22,011.93-30,370.95-13,059

Finding the Fourth Proportional to 22,011.93, 30,370.95 and 13,059

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Solution

The fourth proportional to 22,011.93, 30,370.95 and 13,059 is: 18,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.93 : 30,370.95 = 13,059 : x
  2. Step 2: Convert to fraction form
    22,011.93/30,370.95 = 13,059/x
  3. Step 3: Cross multiply
    22,011.93x = 30,370.95 × 13,059
  4. Step 4: Simplify right side
    22,011.93x = 396,614,236.05
  5. Step 5: Solve for x
    x = 396,614,236.05/22,011.93
  6. Step 6: Final answer
    x = 18,018.15

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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.