Home / 13,942.76-19,241.16-7,569.41

Finding the Fourth Proportional to 13,942.76, 19,241.16 and 7,569.41

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Solution

The fourth proportional to 13,942.76, 19,241.16 and 7,569.41 is: 10,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.76 : 19,241.16 = 7,569.41 : x
  2. Step 2: Convert to fraction form
    13,942.76/19,241.16 = 7,569.41/x
  3. Step 3: Cross multiply
    13,942.76x = 19,241.16 × 7,569.41
  4. Step 4: Simplify right side
    13,942.76x = 145,644,094.86
  5. Step 5: Solve for x
    x = 145,644,094.86/13,942.76
  6. Step 6: Final answer
    x = 10,445.86

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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.