Home / 19,656.81-29,437.74-12,251.97

Finding the Fourth Proportional to 19,656.81, 29,437.74 and 12,251.97

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Solution

The fourth proportional to 19,656.81, 29,437.74 and 12,251.97 is: 18,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.81 : 29,437.74 = 12,251.97 : x
  2. Step 2: Convert to fraction form
    19,656.81/29,437.74 = 12,251.97/x
  3. Step 3: Cross multiply
    19,656.81x = 29,437.74 × 12,251.97
  4. Step 4: Simplify right side
    19,656.81x = 360,670,307.35
  5. Step 5: Solve for x
    x = 360,670,307.35/19,656.81
  6. Step 6: Final answer
    x = 18,348.36

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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.