Home / 16,916.58-23,344.56-9,362.76

Finding the Fourth Proportional to 16,916.58, 23,344.56 and 9,362.76

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Solution

The fourth proportional to 16,916.58, 23,344.56 and 9,362.76 is: 12,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.58 : 23,344.56 = 9,362.76 : x
  2. Step 2: Convert to fraction form
    16,916.58/23,344.56 = 9,362.76/x
  3. Step 3: Cross multiply
    16,916.58x = 23,344.56 × 9,362.76
  4. Step 4: Simplify right side
    16,916.58x = 218,569,512.59
  5. Step 5: Solve for x
    x = 218,569,512.59/16,916.58
  6. Step 6: Final answer
    x = 12,920.43

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Double scale
Find fourth proportional to 16,917.58, 23,345.94 and 9,363.76
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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.