Home / 15,572.39-23,357.82-4,478.99

Finding the Fourth Proportional to 15,572.39, 23,357.82 and 4,478.99

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Solution

The fourth proportional to 15,572.39, 23,357.82 and 4,478.99 is: 6,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.39 : 23,357.82 = 4,478.99 : x
  2. Step 2: Convert to fraction form
    15,572.39/23,357.82 = 4,478.99/x
  3. Step 3: Cross multiply
    15,572.39x = 23,357.82 × 4,478.99
  4. Step 4: Simplify right side
    15,572.39x = 104,619,442.20
  5. Step 5: Solve for x
    x = 104,619,442.20/15,572.39
  6. Step 6: Final answer
    x = 6,718.26

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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.