Home / 19,392.35-29,061.60-8,836.57

Finding the Fourth Proportional to 19,392.35, 29,061.60 and 8,836.57

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Solution

The fourth proportional to 19,392.35, 29,061.60 and 8,836.57 is: 13,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.35 : 29,061.60 = 8,836.57 : x
  2. Step 2: Convert to fraction form
    19,392.35/29,061.60 = 8,836.57/x
  3. Step 3: Cross multiply
    19,392.35x = 29,061.60 × 8,836.57
  4. Step 4: Simplify right side
    19,392.35x = 256,804,812.15
  5. Step 5: Solve for x
    x = 256,804,812.15/19,392.35
  6. Step 6: Final answer
    x = 13,242.59

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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.