Home / 12,837.90-19,255.14-4,073.70

Finding the Fourth Proportional to 12,837.90, 19,255.14 and 4,073.70

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Solution

The fourth proportional to 12,837.90, 19,255.14 and 4,073.70 is: 6,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.90 : 19,255.14 = 4,073.70 : x
  2. Step 2: Convert to fraction form
    12,837.90/19,255.14 = 4,073.70/x
  3. Step 3: Cross multiply
    12,837.90x = 19,255.14 × 4,073.70
  4. Step 4: Simplify right side
    12,837.90x = 78,439,663.82
  5. Step 5: Solve for x
    x = 78,439,663.82/12,837.90
  6. Step 6: Final answer
    x = 6,110.01

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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.