Home / 29,355.32-40,509.97-15,926.47

Finding the Fourth Proportional to 29,355.32, 40,509.97 and 15,926.47

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Solution

The fourth proportional to 29,355.32, 40,509.97 and 15,926.47 is: 21,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.32 : 40,509.97 = 15,926.47 : x
  2. Step 2: Convert to fraction form
    29,355.32/40,509.97 = 15,926.47/x
  3. Step 3: Cross multiply
    29,355.32x = 40,509.97 × 15,926.47
  4. Step 4: Simplify right side
    29,355.32x = 645,180,821.91
  5. Step 5: Solve for x
    x = 645,180,821.91/29,355.32
  6. Step 6: Final answer
    x = 21,978.33

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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.