Home / 18,407.25-27,607.23-5,257.31

Finding the Fourth Proportional to 18,407.25, 27,607.23 and 5,257.31

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Solution

The fourth proportional to 18,407.25, 27,607.23 and 5,257.31 is: 7,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.25 : 27,607.23 = 5,257.31 : x
  2. Step 2: Convert to fraction form
    18,407.25/27,607.23 = 5,257.31/x
  3. Step 3: Cross multiply
    18,407.25x = 27,607.23 × 5,257.31
  4. Step 4: Simplify right side
    18,407.25x = 145,139,628.32
  5. Step 5: Solve for x
    x = 145,139,628.32/18,407.25
  6. Step 6: Final answer
    x = 7,884.92

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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.