Home / 21,277.92-29,360.08-11,846.24

Finding the Fourth Proportional to 21,277.92, 29,360.08 and 11,846.24

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Solution

The fourth proportional to 21,277.92, 29,360.08 and 11,846.24 is: 16,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.92 : 29,360.08 = 11,846.24 : x
  2. Step 2: Convert to fraction form
    21,277.92/29,360.08 = 11,846.24/x
  3. Step 3: Cross multiply
    21,277.92x = 29,360.08 × 11,846.24
  4. Step 4: Simplify right side
    21,277.92x = 347,806,554.10
  5. Step 5: Solve for x
    x = 347,806,554.10/21,277.92
  6. Step 6: Final answer
    x = 16,345.89

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1.5x scale

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.