Home / 14,731.20-22,100.26-4,870.47

Finding the Fourth Proportional to 14,731.20, 22,100.26 and 4,870.47

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Solution

The fourth proportional to 14,731.20, 22,100.26 and 4,870.47 is: 7,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.20 : 22,100.26 = 4,870.47 : x
  2. Step 2: Convert to fraction form
    14,731.20/22,100.26 = 4,870.47/x
  3. Step 3: Cross multiply
    14,731.20x = 22,100.26 × 4,870.47
  4. Step 4: Simplify right side
    14,731.20x = 107,638,653.32
  5. Step 5: Solve for x
    x = 107,638,653.32/14,731.20
  6. Step 6: Final answer
    x = 7,306.85

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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.