Home / 19,348.46-29,019.45-8,815.22

Finding the Fourth Proportional to 19,348.46, 29,019.45 and 8,815.22

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Solution

The fourth proportional to 19,348.46, 29,019.45 and 8,815.22 is: 13,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.46 : 29,019.45 = 8,815.22 : x
  2. Step 2: Convert to fraction form
    19,348.46/29,019.45 = 8,815.22/x
  3. Step 3: Cross multiply
    19,348.46x = 29,019.45 × 8,815.22
  4. Step 4: Simplify right side
    19,348.46x = 255,812,836.03
  5. Step 5: Solve for x
    x = 255,812,836.03/19,348.46
  6. Step 6: Final answer
    x = 13,221.35

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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.