Home / 22,299.75-30,772.58-13,345.52

Finding the Fourth Proportional to 22,299.75, 30,772.58 and 13,345.52

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Solution

The fourth proportional to 22,299.75, 30,772.58 and 13,345.52 is: 18,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.75 : 30,772.58 = 13,345.52 : x
  2. Step 2: Convert to fraction form
    22,299.75/30,772.58 = 13,345.52/x
  3. Step 3: Cross multiply
    22,299.75x = 30,772.58 × 13,345.52
  4. Step 4: Simplify right side
    22,299.75x = 410,675,861.25
  5. Step 5: Solve for x
    x = 410,675,861.25/22,299.75
  6. Step 6: Final answer
    x = 18,416.16

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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.