Home / 23,138.60-34,724.10-10,000.40

Finding the Fourth Proportional to 23,138.60, 34,724.10 and 10,000.40

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Solution

The fourth proportional to 23,138.60, 34,724.10 and 10,000.40 is: 15,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.60 : 34,724.10 = 10,000.40 : x
  2. Step 2: Convert to fraction form
    23,138.60/34,724.10 = 10,000.40/x
  3. Step 3: Cross multiply
    23,138.60x = 34,724.10 × 10,000.40
  4. Step 4: Simplify right side
    23,138.60x = 347,254,889.64
  5. Step 5: Solve for x
    x = 347,254,889.64/23,138.60
  6. Step 6: Final answer
    x = 15,007.60

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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.