Home / 15,351.30-23,019.39-4,961.70

Finding the Fourth Proportional to 15,351.30, 23,019.39 and 4,961.70

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Solution

The fourth proportional to 15,351.30, 23,019.39 and 4,961.70 is: 7,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.30 : 23,019.39 = 4,961.70 : x
  2. Step 2: Convert to fraction form
    15,351.30/23,019.39 = 4,961.70/x
  3. Step 3: Cross multiply
    15,351.30x = 23,019.39 × 4,961.70
  4. Step 4: Simplify right side
    15,351.30x = 114,215,307.36
  5. Step 5: Solve for x
    x = 114,215,307.36/15,351.30
  6. Step 6: Final answer
    x = 7,440.11

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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.