Home / 19,368.20-29,052.30-8,838.20

Finding the Fourth Proportional to 19,368.20, 29,052.30 and 8,838.20

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Solution

The fourth proportional to 19,368.20, 29,052.30 and 8,838.20 is: 13,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.20 : 29,052.30 = 8,838.20 : x
  2. Step 2: Convert to fraction form
    19,368.20/29,052.30 = 8,838.20/x
  3. Step 3: Cross multiply
    19,368.20x = 29,052.30 × 8,838.20
  4. Step 4: Simplify right side
    19,368.20x = 256,770,037.86
  5. Step 5: Solve for x
    x = 256,770,037.86/19,368.20
  6. Step 6: Final answer
    x = 13,257.30

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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.