Home / 14,648.91-20,215.24-8,362.50

Finding the Fourth Proportional to 14,648.91, 20,215.24 and 8,362.50

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Solution

The fourth proportional to 14,648.91, 20,215.24 and 8,362.50 is: 11,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.91 : 20,215.24 = 8,362.50 : x
  2. Step 2: Convert to fraction form
    14,648.91/20,215.24 = 8,362.50/x
  3. Step 3: Cross multiply
    14,648.91x = 20,215.24 × 8,362.50
  4. Step 4: Simplify right side
    14,648.91x = 169,049,944.50
  5. Step 5: Solve for x
    x = 169,049,944.50/14,648.91
  6. Step 6: Final answer
    x = 11,540.10

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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.