Home / 19,908.54-29,856.27-8,814.99

Finding the Fourth Proportional to 19,908.54, 29,856.27 and 8,814.99

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Solution

The fourth proportional to 19,908.54, 29,856.27 and 8,814.99 is: 13,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.54 : 29,856.27 = 8,814.99 : x
  2. Step 2: Convert to fraction form
    19,908.54/29,856.27 = 8,814.99/x
  3. Step 3: Cross multiply
    19,908.54x = 29,856.27 × 8,814.99
  4. Step 4: Simplify right side
    19,908.54x = 263,182,721.49
  5. Step 5: Solve for x
    x = 263,182,721.49/19,908.54
  6. Step 6: Final answer
    x = 13,219.59

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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.