Home / 16,815.66-23,205.61-9,746.18

Finding the Fourth Proportional to 16,815.66, 23,205.61 and 9,746.18

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Solution

The fourth proportional to 16,815.66, 23,205.61 and 9,746.18 is: 13,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.66 : 23,205.61 = 9,746.18 : x
  2. Step 2: Convert to fraction form
    16,815.66/23,205.61 = 9,746.18/x
  3. Step 3: Cross multiply
    16,815.66x = 23,205.61 × 9,746.18
  4. Step 4: Simplify right side
    16,815.66x = 226,165,980.42
  5. Step 5: Solve for x
    x = 226,165,980.42/16,815.66
  6. Step 6: Final answer
    x = 13,449.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.