Home / 22,987.84-31,726.65-14,040.49

Finding the Fourth Proportional to 22,987.84, 31,726.65 and 14,040.49

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Solution

The fourth proportional to 22,987.84, 31,726.65 and 14,040.49 is: 19,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.84 : 31,726.65 = 14,040.49 : x
  2. Step 2: Convert to fraction form
    22,987.84/31,726.65 = 14,040.49/x
  3. Step 3: Cross multiply
    22,987.84x = 31,726.65 × 14,040.49
  4. Step 4: Simplify right side
    22,987.84x = 445,457,712.06
  5. Step 5: Solve for x
    x = 445,457,712.06/22,987.84
  6. Step 6: Final answer
    x = 19,377.97

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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.