Home / 21,264.65-29,345.22-11,833.23

Finding the Fourth Proportional to 21,264.65, 29,345.22 and 11,833.23

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Solution

The fourth proportional to 21,264.65, 29,345.22 and 11,833.23 is: 16,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.65 : 29,345.22 = 11,833.23 : x
  2. Step 2: Convert to fraction form
    21,264.65/29,345.22 = 11,833.23/x
  3. Step 3: Cross multiply
    21,264.65x = 29,345.22 × 11,833.23
  4. Step 4: Simplify right side
    21,264.65x = 347,248,737.66
  5. Step 5: Solve for x
    x = 347,248,737.66/21,264.65
  6. Step 6: Final answer
    x = 16,329.86

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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.