Home / 19,347.84-29,014.74-8,255.70

Finding the Fourth Proportional to 19,347.84, 29,014.74 and 8,255.70

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Solution

The fourth proportional to 19,347.84, 29,014.74 and 8,255.70 is: 12,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.84 : 29,014.74 = 8,255.70 : x
  2. Step 2: Convert to fraction form
    19,347.84/29,014.74 = 8,255.70/x
  3. Step 3: Cross multiply
    19,347.84x = 29,014.74 × 8,255.70
  4. Step 4: Simplify right side
    19,347.84x = 239,536,989.02
  5. Step 5: Solve for x
    x = 239,536,989.02/19,347.84
  6. Step 6: Final answer
    x = 12,380.55

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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.