Home / 13,886.28-20,823.30-4,023.36

Finding the Fourth Proportional to 13,886.28, 20,823.30 and 4,023.36

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Solution

The fourth proportional to 13,886.28, 20,823.30 and 4,023.36 is: 6,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.28 : 20,823.30 = 4,023.36 : x
  2. Step 2: Convert to fraction form
    13,886.28/20,823.30 = 4,023.36/x
  3. Step 3: Cross multiply
    13,886.28x = 20,823.30 × 4,023.36
  4. Step 4: Simplify right side
    13,886.28x = 83,779,632.29
  5. Step 5: Solve for x
    x = 83,779,632.29/13,886.28
  6. Step 6: Final answer
    x = 6,033.27

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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.