Home / 19,970.85-29,951.13-5,927.55

Finding the Fourth Proportional to 19,970.85, 29,951.13 and 5,927.55

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Solution

The fourth proportional to 19,970.85, 29,951.13 and 5,927.55 is: 8,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.85 : 29,951.13 = 5,927.55 : x
  2. Step 2: Convert to fraction form
    19,970.85/29,951.13 = 5,927.55/x
  3. Step 3: Cross multiply
    19,970.85x = 29,951.13 × 5,927.55
  4. Step 4: Simplify right side
    19,970.85x = 177,536,670.88
  5. Step 5: Solve for x
    x = 177,536,670.88/19,970.85
  6. Step 6: Final answer
    x = 8,889.79

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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.