Home / 20,592.36-28,417.56-11,160.84

Finding the Fourth Proportional to 20,592.36, 28,417.56 and 11,160.84

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Solution

The fourth proportional to 20,592.36, 28,417.56 and 11,160.84 is: 15,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.36 : 28,417.56 = 11,160.84 : x
  2. Step 2: Convert to fraction form
    20,592.36/28,417.56 = 11,160.84/x
  3. Step 3: Cross multiply
    20,592.36x = 28,417.56 × 11,160.84
  4. Step 4: Simplify right side
    20,592.36x = 317,163,840.35
  5. Step 5: Solve for x
    x = 317,163,840.35/20,592.36
  6. Step 6: Final answer
    x = 15,402.02

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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.