Home / 17,853.28-26,779.50-6,165.40

Finding the Fourth Proportional to 17,853.28, 26,779.50 and 6,165.40

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Solution

The fourth proportional to 17,853.28, 26,779.50 and 6,165.40 is: 9,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.28 : 26,779.50 = 6,165.40 : x
  2. Step 2: Convert to fraction form
    17,853.28/26,779.50 = 6,165.40/x
  3. Step 3: Cross multiply
    17,853.28x = 26,779.50 × 6,165.40
  4. Step 4: Simplify right side
    17,853.28x = 165,106,329.30
  5. Step 5: Solve for x
    x = 165,106,329.30/17,853.28
  6. Step 6: Final answer
    x = 9,247.95

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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.