Home / 21,583.29-29,784.49-12,023.16

Finding the Fourth Proportional to 21,583.29, 29,784.49 and 12,023.16

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Solution

The fourth proportional to 21,583.29, 29,784.49 and 12,023.16 is: 16,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.29 : 29,784.49 = 12,023.16 : x
  2. Step 2: Convert to fraction form
    21,583.29/29,784.49 = 12,023.16/x
  3. Step 3: Cross multiply
    21,583.29x = 29,784.49 × 12,023.16
  4. Step 4: Simplify right side
    21,583.29x = 358,103,688.79
  5. Step 5: Solve for x
    x = 358,103,688.79/21,583.29
  6. Step 6: Final answer
    x = 16,591.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.