Home / 20,526.98-28,327.54-11,574.92

Finding the Fourth Proportional to 20,526.98, 28,327.54 and 11,574.92

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Solution

The fourth proportional to 20,526.98, 28,327.54 and 11,574.92 is: 15,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.98 : 28,327.54 = 11,574.92 : x
  2. Step 2: Convert to fraction form
    20,526.98/28,327.54 = 11,574.92/x
  3. Step 3: Cross multiply
    20,526.98x = 28,327.54 × 11,574.92
  4. Step 4: Simplify right side
    20,526.98x = 327,889,009.30
  5. Step 5: Solve for x
    x = 327,889,009.30/20,526.98
  6. Step 6: Final answer
    x = 15,973.56

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