Home / 15,916.92-23,875.60-4,230.08

Finding the Fourth Proportional to 15,916.92, 23,875.60 and 4,230.08

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Solution

The fourth proportional to 15,916.92, 23,875.60 and 4,230.08 is: 6,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.92 : 23,875.60 = 4,230.08 : x
  2. Step 2: Convert to fraction form
    15,916.92/23,875.60 = 4,230.08/x
  3. Step 3: Cross multiply
    15,916.92x = 23,875.60 × 4,230.08
  4. Step 4: Simplify right side
    15,916.92x = 100,995,698.05
  5. Step 5: Solve for x
    x = 100,995,698.05/15,916.92
  6. Step 6: Final answer
    x = 6,345.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.