Home / 22,030.11-30,409.83-13,082.04

Finding the Fourth Proportional to 22,030.11, 30,409.83 and 13,082.04

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Solution

The fourth proportional to 22,030.11, 30,409.83 and 13,082.04 is: 18,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.11 : 30,409.83 = 13,082.04 : x
  2. Step 2: Convert to fraction form
    22,030.11/30,409.83 = 13,082.04/x
  3. Step 3: Cross multiply
    22,030.11x = 30,409.83 × 13,082.04
  4. Step 4: Simplify right side
    22,030.11x = 397,822,612.45
  5. Step 5: Solve for x
    x = 397,822,612.45/22,030.11
  6. Step 6: Final answer
    x = 18,058.13

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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.