Home / 12,910.74-19,339.34-10,432.14

Finding the Fourth Proportional to 12,910.74, 19,339.34 and 10,432.14

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Solution

The fourth proportional to 12,910.74, 19,339.34 and 10,432.14 is: 15,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.74 : 19,339.34 = 10,432.14 : x
  2. Step 2: Convert to fraction form
    12,910.74/19,339.34 = 10,432.14/x
  3. Step 3: Cross multiply
    12,910.74x = 19,339.34 × 10,432.14
  4. Step 4: Simplify right side
    12,910.74x = 201,750,702.39
  5. Step 5: Solve for x
    x = 201,750,702.39/12,910.74
  6. Step 6: Final answer
    x = 15,626.58

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1.5x scale

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.