Home / 13,828.59-20,726.28-5,058.72

Finding the Fourth Proportional to 13,828.59, 20,726.28 and 5,058.72

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Solution

The fourth proportional to 13,828.59, 20,726.28 and 5,058.72 is: 7,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.59 : 20,726.28 = 5,058.72 : x
  2. Step 2: Convert to fraction form
    13,828.59/20,726.28 = 5,058.72/x
  3. Step 3: Cross multiply
    13,828.59x = 20,726.28 × 5,058.72
  4. Step 4: Simplify right side
    13,828.59x = 104,848,447.16
  5. Step 5: Solve for x
    x = 104,848,447.16/13,828.59
  6. Step 6: Final answer
    x = 7,582.01

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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.