Home / 22,011.16-30,370.50-13,054.12

Finding the Fourth Proportional to 22,011.16, 30,370.50 and 13,054.12

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Solution

The fourth proportional to 22,011.16, 30,370.50 and 13,054.12 is: 18,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.16 : 30,370.50 = 13,054.12 : x
  2. Step 2: Convert to fraction form
    22,011.16/30,370.50 = 13,054.12/x
  3. Step 3: Cross multiply
    22,011.16x = 30,370.50 × 13,054.12
  4. Step 4: Simplify right side
    22,011.16x = 396,460,151.46
  5. Step 5: Solve for x
    x = 396,460,151.46/22,011.16
  6. Step 6: Final answer
    x = 18,011.78

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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.