Home / 19,348.50-29,022.78-4,756.50

Finding the Fourth Proportional to 19,348.50, 29,022.78 and 4,756.50

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Solution

The fourth proportional to 19,348.50, 29,022.78 and 4,756.50 is: 7,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.50 : 29,022.78 = 4,756.50 : x
  2. Step 2: Convert to fraction form
    19,348.50/29,022.78 = 4,756.50/x
  3. Step 3: Cross multiply
    19,348.50x = 29,022.78 × 4,756.50
  4. Step 4: Simplify right side
    19,348.50x = 138,046,853.07
  5. Step 5: Solve for x
    x = 138,046,853.07/19,348.50
  6. Step 6: Final answer
    x = 7,134.76

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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.