Home / 13,398.46-20,095.06-9,855.52

Finding the Fourth Proportional to 13,398.46, 20,095.06 and 9,855.52

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Solution

The fourth proportional to 13,398.46, 20,095.06 and 9,855.52 is: 14,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.46 : 20,095.06 = 9,855.52 : x
  2. Step 2: Convert to fraction form
    13,398.46/20,095.06 = 9,855.52/x
  3. Step 3: Cross multiply
    13,398.46x = 20,095.06 × 9,855.52
  4. Step 4: Simplify right side
    13,398.46x = 198,047,265.73
  5. Step 5: Solve for x
    x = 198,047,265.73/13,398.46
  6. Step 6: Final answer
    x = 14,781.35

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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.