Home / 14,508.90-21,758.70-4,645.86

Finding the Fourth Proportional to 14,508.90, 21,758.70 and 4,645.86

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Solution

The fourth proportional to 14,508.90, 21,758.70 and 4,645.86 is: 6,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.90 : 21,758.70 = 4,645.86 : x
  2. Step 2: Convert to fraction form
    14,508.90/21,758.70 = 4,645.86/x
  3. Step 3: Cross multiply
    14,508.90x = 21,758.70 × 4,645.86
  4. Step 4: Simplify right side
    14,508.90x = 101,087,873.98
  5. Step 5: Solve for x
    x = 101,087,873.98/14,508.90
  6. Step 6: Final answer
    x = 6,967.30

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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.