Home / 29,355.64-40,510.26-15,926.92

Finding the Fourth Proportional to 29,355.64, 40,510.26 and 15,926.92

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Solution

The fourth proportional to 29,355.64, 40,510.26 and 15,926.92 is: 21,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.64 : 40,510.26 = 15,926.92 : x
  2. Step 2: Convert to fraction form
    29,355.64/40,510.26 = 15,926.92/x
  3. Step 3: Cross multiply
    29,355.64x = 40,510.26 × 15,926.92
  4. Step 4: Simplify right side
    29,355.64x = 645,203,670.20
  5. Step 5: Solve for x
    x = 645,203,670.20/29,355.64
  6. Step 6: Final answer
    x = 21,978.87

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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.