Home / 19,740.44-27,241.47-10,787.74

Finding the Fourth Proportional to 19,740.44, 27,241.47 and 10,787.74

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Solution

The fourth proportional to 19,740.44, 27,241.47 and 10,787.74 is: 14,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.44 : 27,241.47 = 10,787.74 : x
  2. Step 2: Convert to fraction form
    19,740.44/27,241.47 = 10,787.74/x
  3. Step 3: Cross multiply
    19,740.44x = 27,241.47 × 10,787.74
  4. Step 4: Simplify right side
    19,740.44x = 293,873,827.47
  5. Step 5: Solve for x
    x = 293,873,827.47/19,740.44
  6. Step 6: Final answer
    x = 14,886.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.