Home / 13,822.30-20,726.96-5,051.08

Finding the Fourth Proportional to 13,822.30, 20,726.96 and 5,051.08

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Solution

The fourth proportional to 13,822.30, 20,726.96 and 5,051.08 is: 7,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.30 : 20,726.96 = 5,051.08 : x
  2. Step 2: Convert to fraction form
    13,822.30/20,726.96 = 5,051.08/x
  3. Step 3: Cross multiply
    13,822.30x = 20,726.96 × 5,051.08
  4. Step 4: Simplify right side
    13,822.30x = 104,693,533.12
  5. Step 5: Solve for x
    x = 104,693,533.12/13,822.30
  6. Step 6: Final answer
    x = 7,574.25

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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.