Home / 19,810.02-29,717.46-7,327.92

Finding the Fourth Proportional to 19,810.02, 29,717.46 and 7,327.92

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Solution

The fourth proportional to 19,810.02, 29,717.46 and 7,327.92 is: 10,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.02 : 29,717.46 = 7,327.92 : x
  2. Step 2: Convert to fraction form
    19,810.02/29,717.46 = 7,327.92/x
  3. Step 3: Cross multiply
    19,810.02x = 29,717.46 × 7,327.92
  4. Step 4: Simplify right side
    19,810.02x = 217,767,169.48
  5. Step 5: Solve for x
    x = 217,767,169.48/19,810.02
  6. Step 6: Final answer
    x = 10,992.78

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1.5x scale

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.