Home / 16,418.04-22,659.14-9,345.12

Finding the Fourth Proportional to 16,418.04, 22,659.14 and 9,345.12

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Solution

The fourth proportional to 16,418.04, 22,659.14 and 9,345.12 is: 12,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.04 : 22,659.14 = 9,345.12 : x
  2. Step 2: Convert to fraction form
    16,418.04/22,659.14 = 9,345.12/x
  3. Step 3: Cross multiply
    16,418.04x = 22,659.14 × 9,345.12
  4. Step 4: Simplify right side
    16,418.04x = 211,752,382.40
  5. Step 5: Solve for x
    x = 211,752,382.40/16,418.04
  6. Step 6: Final answer
    x = 12,897.54

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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.