Home / 13,569.28-20,357.12-4,336

Finding the Fourth Proportional to 13,569.28, 20,357.12 and 4,336

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Solution

The fourth proportional to 13,569.28, 20,357.12 and 4,336 is: 6,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.28 : 20,357.12 = 4,336 : x
  2. Step 2: Convert to fraction form
    13,569.28/20,357.12 = 4,336/x
  3. Step 3: Cross multiply
    13,569.28x = 20,357.12 × 4,336
  4. Step 4: Simplify right side
    13,569.28x = 88,268,472.32
  5. Step 5: Solve for x
    x = 88,268,472.32/13,569.28
  6. Step 6: Final answer
    x = 6,505.02

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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.