Home / 15,638.69-23,458.42-4,545.47

Finding the Fourth Proportional to 15,638.69, 23,458.42 and 4,545.47

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Solution

The fourth proportional to 15,638.69, 23,458.42 and 4,545.47 is: 6,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.69 : 23,458.42 = 4,545.47 : x
  2. Step 2: Convert to fraction form
    15,638.69/23,458.42 = 4,545.47/x
  3. Step 3: Cross multiply
    15,638.69x = 23,458.42 × 4,545.47
  4. Step 4: Simplify right side
    15,638.69x = 106,629,517.14
  5. Step 5: Solve for x
    x = 106,629,517.14/15,638.69
  6. Step 6: Final answer
    x = 6,818.32

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1.5x scale

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.