Home / 12,901.48-19,360.86-4,581.16

Finding the Fourth Proportional to 12,901.48, 19,360.86 and 4,581.16

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Solution

The fourth proportional to 12,901.48, 19,360.86 and 4,581.16 is: 6,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.48 : 19,360.86 = 4,581.16 : x
  2. Step 2: Convert to fraction form
    12,901.48/19,360.86 = 4,581.16/x
  3. Step 3: Cross multiply
    12,901.48x = 19,360.86 × 4,581.16
  4. Step 4: Simplify right side
    12,901.48x = 88,695,197.40
  5. Step 5: Solve for x
    x = 88,695,197.40/12,901.48
  6. Step 6: Final answer
    x = 6,874.81

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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.