Home / 19,439.18-29,158.31-10,076.08

Finding the Fourth Proportional to 19,439.18, 29,158.31 and 10,076.08

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Solution

The fourth proportional to 19,439.18, 29,158.31 and 10,076.08 is: 15,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.18 : 29,158.31 = 10,076.08 : x
  2. Step 2: Convert to fraction form
    19,439.18/29,158.31 = 10,076.08/x
  3. Step 3: Cross multiply
    19,439.18x = 29,158.31 × 10,076.08
  4. Step 4: Simplify right side
    19,439.18x = 293,801,464.22
  5. Step 5: Solve for x
    x = 293,801,464.22/19,439.18
  6. Step 6: Final answer
    x = 15,113.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.