Home / 16,878.77-23,292.59-9,325.59

Finding the Fourth Proportional to 16,878.77, 23,292.59 and 9,325.59

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Solution

The fourth proportional to 16,878.77, 23,292.59 and 9,325.59 is: 12,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.77 : 23,292.59 = 9,325.59 : x
  2. Step 2: Convert to fraction form
    16,878.77/23,292.59 = 9,325.59/x
  3. Step 3: Cross multiply
    16,878.77x = 23,292.59 × 9,325.59
  4. Step 4: Simplify right side
    16,878.77x = 217,217,097.75
  5. Step 5: Solve for x
    x = 217,217,097.75/16,878.77
  6. Step 6: Final answer
    x = 12,869.25

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Double scale
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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.