Home / 23,178.60-34,784.10-10,040.40

Finding the Fourth Proportional to 23,178.60, 34,784.10 and 10,040.40

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Solution

The fourth proportional to 23,178.60, 34,784.10 and 10,040.40 is: 15,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.60 : 34,784.10 = 10,040.40 : x
  2. Step 2: Convert to fraction form
    23,178.60/34,784.10 = 10,040.40/x
  3. Step 3: Cross multiply
    23,178.60x = 34,784.10 × 10,040.40
  4. Step 4: Simplify right side
    23,178.60x = 349,246,277.64
  5. Step 5: Solve for x
    x = 349,246,277.64/23,178.60
  6. Step 6: Final answer
    x = 15,067.62

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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.