Home / 19,787.73-29,681.98-9,251.93

Finding the Fourth Proportional to 19,787.73, 29,681.98 and 9,251.93

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Solution

The fourth proportional to 19,787.73, 29,681.98 and 9,251.93 is: 13,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.73 : 29,681.98 = 9,251.93 : x
  2. Step 2: Convert to fraction form
    19,787.73/29,681.98 = 9,251.93/x
  3. Step 3: Cross multiply
    19,787.73x = 29,681.98 × 9,251.93
  4. Step 4: Simplify right side
    19,787.73x = 274,615,601.22
  5. Step 5: Solve for x
    x = 274,615,601.22/19,787.73
  6. Step 6: Final answer
    x = 13,878.08

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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.