Home / 19,834.61-27,373.95-12,671.10

Finding the Fourth Proportional to 19,834.61, 27,373.95 and 12,671.10

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Solution

The fourth proportional to 19,834.61, 27,373.95 and 12,671.10 is: 17,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.61 : 27,373.95 = 12,671.10 : x
  2. Step 2: Convert to fraction form
    19,834.61/27,373.95 = 12,671.10/x
  3. Step 3: Cross multiply
    19,834.61x = 27,373.95 × 12,671.10
  4. Step 4: Simplify right side
    19,834.61x = 346,858,057.85
  5. Step 5: Solve for x
    x = 346,858,057.85/19,834.61
  6. Step 6: Final answer
    x = 17,487.52

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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.