Home / 14,117.13-21,172.61-5,788.95

Finding the Fourth Proportional to 14,117.13, 21,172.61 and 5,788.95

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Solution

The fourth proportional to 14,117.13, 21,172.61 and 5,788.95 is: 8,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.13 : 21,172.61 = 5,788.95 : x
  2. Step 2: Convert to fraction form
    14,117.13/21,172.61 = 5,788.95/x
  3. Step 3: Cross multiply
    14,117.13x = 21,172.61 × 5,788.95
  4. Step 4: Simplify right side
    14,117.13x = 122,567,151.71
  5. Step 5: Solve for x
    x = 122,567,151.71/14,117.13
  6. Step 6: Final answer
    x = 8,682.16

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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.