Home / 19,542.02-29,288.95-11,115.59

Finding the Fourth Proportional to 19,542.02, 29,288.95 and 11,115.59

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Solution

The fourth proportional to 19,542.02, 29,288.95 and 11,115.59 is: 16,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.02 : 29,288.95 = 11,115.59 : x
  2. Step 2: Convert to fraction form
    19,542.02/29,288.95 = 11,115.59/x
  3. Step 3: Cross multiply
    19,542.02x = 29,288.95 × 11,115.59
  4. Step 4: Simplify right side
    19,542.02x = 325,563,959.73
  5. Step 5: Solve for x
    x = 325,563,959.73/19,542.02
  6. Step 6: Final answer
    x = 16,659.69

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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.