Home / 15,275.79-22,909.23-4,743.09

Finding the Fourth Proportional to 15,275.79, 22,909.23 and 4,743.09

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Solution

The fourth proportional to 15,275.79, 22,909.23 and 4,743.09 is: 7,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.79 : 22,909.23 = 4,743.09 : x
  2. Step 2: Convert to fraction form
    15,275.79/22,909.23 = 4,743.09/x
  3. Step 3: Cross multiply
    15,275.79x = 22,909.23 × 4,743.09
  4. Step 4: Simplify right side
    15,275.79x = 108,660,539.72
  5. Step 5: Solve for x
    x = 108,660,539.72/15,275.79
  6. Step 6: Final answer
    x = 7,113.25

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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.