Home / 16,913.11-23,345.85-9,845.47

Finding the Fourth Proportional to 16,913.11, 23,345.85 and 9,845.47

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Solution

The fourth proportional to 16,913.11, 23,345.85 and 9,845.47 is: 13,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.11 : 23,345.85 = 9,845.47 : x
  2. Step 2: Convert to fraction form
    16,913.11/23,345.85 = 9,845.47/x
  3. Step 3: Cross multiply
    16,913.11x = 23,345.85 × 9,845.47
  4. Step 4: Simplify right side
    16,913.11x = 229,850,865.80
  5. Step 5: Solve for x
    x = 229,850,865.80/16,913.11
  6. Step 6: Final answer
    x = 13,590.10

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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.