Home / 19,701.87-29,567.00-7,848.78

Finding the Fourth Proportional to 19,701.87, 29,567.00 and 7,848.78

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Solution

The fourth proportional to 19,701.87, 29,567.00 and 7,848.78 is: 11,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.87 : 29,567.00 = 7,848.78 : x
  2. Step 2: Convert to fraction form
    19,701.87/29,567.00 = 7,848.78/x
  3. Step 3: Cross multiply
    19,701.87x = 29,567.00 × 7,848.78
  4. Step 4: Simplify right side
    19,701.87x = 232,064,839.02
  5. Step 5: Solve for x
    x = 232,064,839.02/19,701.87
  6. Step 6: Final answer
    x = 11,778.82

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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.