Home / 21,364.20-29,482.02-11,673.27

Finding the Fourth Proportional to 21,364.20, 29,482.02 and 11,673.27

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Solution

The fourth proportional to 21,364.20, 29,482.02 and 11,673.27 is: 16,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.20 : 29,482.02 = 11,673.27 : x
  2. Step 2: Convert to fraction form
    21,364.20/29,482.02 = 11,673.27/x
  3. Step 3: Cross multiply
    21,364.20x = 29,482.02 × 11,673.27
  4. Step 4: Simplify right side
    21,364.20x = 344,151,579.61
  5. Step 5: Solve for x
    x = 344,151,579.61/21,364.20
  6. Step 6: Final answer
    x = 16,108.80

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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.