Home / 15,548.24-21,456.60-8,474.66

Finding the Fourth Proportional to 15,548.24, 21,456.60 and 8,474.66

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Solution

The fourth proportional to 15,548.24, 21,456.60 and 8,474.66 is: 11,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.24 : 21,456.60 = 8,474.66 : x
  2. Step 2: Convert to fraction form
    15,548.24/21,456.60 = 8,474.66/x
  3. Step 3: Cross multiply
    15,548.24x = 21,456.60 × 8,474.66
  4. Step 4: Simplify right side
    15,548.24x = 181,837,389.76
  5. Step 5: Solve for x
    x = 181,837,389.76/15,548.24
  6. Step 6: Final answer
    x = 11,695.05

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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.