Home / 15,572.28-23,357.82-4,478.94

Finding the Fourth Proportional to 15,572.28, 23,357.82 and 4,478.94

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Solution

The fourth proportional to 15,572.28, 23,357.82 and 4,478.94 is: 6,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.28 : 23,357.82 = 4,478.94 : x
  2. Step 2: Convert to fraction form
    15,572.28/23,357.82 = 4,478.94/x
  3. Step 3: Cross multiply
    15,572.28x = 23,357.82 × 4,478.94
  4. Step 4: Simplify right side
    15,572.28x = 104,618,274.31
  5. Step 5: Solve for x
    x = 104,618,274.31/15,572.28
  6. Step 6: Final answer
    x = 6,718.24

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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.