Home / 18,856.66-28,277.70-6,373.36

Finding the Fourth Proportional to 18,856.66, 28,277.70 and 6,373.36

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Solution

The fourth proportional to 18,856.66, 28,277.70 and 6,373.36 is: 9,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.66 : 28,277.70 = 6,373.36 : x
  2. Step 2: Convert to fraction form
    18,856.66/28,277.70 = 6,373.36/x
  3. Step 3: Cross multiply
    18,856.66x = 28,277.70 × 6,373.36
  4. Step 4: Simplify right side
    18,856.66x = 180,223,962.07
  5. Step 5: Solve for x
    x = 180,223,962.07/18,856.66
  6. Step 6: Final answer
    x = 9,557.58

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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.