Home / 19,622.02-27,078.27-11,125.75

Finding the Fourth Proportional to 19,622.02, 27,078.27 and 11,125.75

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Solution

The fourth proportional to 19,622.02, 27,078.27 and 11,125.75 is: 15,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.02 : 27,078.27 = 11,125.75 : x
  2. Step 2: Convert to fraction form
    19,622.02/27,078.27 = 11,125.75/x
  3. Step 3: Cross multiply
    19,622.02x = 27,078.27 × 11,125.75
  4. Step 4: Simplify right side
    19,622.02x = 301,266,062.45
  5. Step 5: Solve for x
    x = 301,266,062.45/19,622.02
  6. Step 6: Final answer
    x = 15,353.47

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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.