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Finding the Fourth Proportional to 15,059.95, 20,786.21 and 10,024.38

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Solution

The fourth proportional to 15,059.95, 20,786.21 and 10,024.38 is: 13,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.95 : 20,786.21 = 10,024.38 : x
  2. Step 2: Convert to fraction form
    15,059.95/20,786.21 = 10,024.38/x
  3. Step 3: Cross multiply
    15,059.95x = 20,786.21 × 10,024.38
  4. Step 4: Simplify right side
    15,059.95x = 208,368,867.80
  5. Step 5: Solve for x
    x = 208,368,867.80/15,059.95
  6. Step 6: Final answer
    x = 13,835.96

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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.