Home / 14,023.08-21,012.63-8,818.02

Finding the Fourth Proportional to 14,023.08, 21,012.63 and 8,818.02

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Solution

The fourth proportional to 14,023.08, 21,012.63 and 8,818.02 is: 13,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.08 : 21,012.63 = 8,818.02 : x
  2. Step 2: Convert to fraction form
    14,023.08/21,012.63 = 8,818.02/x
  3. Step 3: Cross multiply
    14,023.08x = 21,012.63 × 8,818.02
  4. Step 4: Simplify right side
    14,023.08x = 185,289,791.59
  5. Step 5: Solve for x
    x = 185,289,791.59/14,023.08
  6. Step 6: Final answer
    x = 13,213.20

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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.