Home / 29,388.81-40,556.85-15,960.18

Finding the Fourth Proportional to 29,388.81, 40,556.85 and 15,960.18

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Solution

The fourth proportional to 29,388.81, 40,556.85 and 15,960.18 is: 22,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.81 : 40,556.85 = 15,960.18 : x
  2. Step 2: Convert to fraction form
    29,388.81/40,556.85 = 15,960.18/x
  3. Step 3: Cross multiply
    29,388.81x = 40,556.85 × 15,960.18
  4. Step 4: Simplify right side
    29,388.81x = 647,294,626.23
  5. Step 5: Solve for x
    x = 647,294,626.23/29,388.81
  6. Step 6: Final answer
    x = 22,025.21

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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.