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Finding the Fourth Proportional to 15,174.71, 20,941.03 and 8,802.59

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Solution

The fourth proportional to 15,174.71, 20,941.03 and 8,802.59 is: 12,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.71 : 20,941.03 = 8,802.59 : x
  2. Step 2: Convert to fraction form
    15,174.71/20,941.03 = 8,802.59/x
  3. Step 3: Cross multiply
    15,174.71x = 20,941.03 × 8,802.59
  4. Step 4: Simplify right side
    15,174.71x = 184,335,301.27
  5. Step 5: Solve for x
    x = 184,335,301.27/15,174.71
  6. Step 6: Final answer
    x = 12,147.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.