Home / 22,436.13-30,960.45-13,478.34

Finding the Fourth Proportional to 22,436.13, 30,960.45 and 13,478.34

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Solution

The fourth proportional to 22,436.13, 30,960.45 and 13,478.34 is: 18,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.13 : 30,960.45 = 13,478.34 : x
  2. Step 2: Convert to fraction form
    22,436.13/30,960.45 = 13,478.34/x
  3. Step 3: Cross multiply
    22,436.13x = 30,960.45 × 13,478.34
  4. Step 4: Simplify right side
    22,436.13x = 417,295,471.65
  5. Step 5: Solve for x
    x = 417,295,471.65/22,436.13
  6. Step 6: Final answer
    x = 18,599.26

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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.