Home / 29,398.91-40,571.23-15,970.15

Finding the Fourth Proportional to 29,398.91, 40,571.23 and 15,970.15

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Solution

The fourth proportional to 29,398.91, 40,571.23 and 15,970.15 is: 22,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.91 : 40,571.23 = 15,970.15 : x
  2. Step 2: Convert to fraction form
    29,398.91/40,571.23 = 15,970.15/x
  3. Step 3: Cross multiply
    29,398.91x = 40,571.23 × 15,970.15
  4. Step 4: Simplify right side
    29,398.91x = 647,928,628.78
  5. Step 5: Solve for x
    x = 647,928,628.78/29,398.91
  6. Step 6: Final answer
    x = 22,039.21

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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.