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Finding the Fourth Proportional to 19,597.01, 27,025.45 and 15,113.66

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Solution

The fourth proportional to 19,597.01, 27,025.45 and 15,113.66 is: 20,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.01 : 27,025.45 = 15,113.66 : x
  2. Step 2: Convert to fraction form
    19,597.01/27,025.45 = 15,113.66/x
  3. Step 3: Cross multiply
    19,597.01x = 27,025.45 × 15,113.66
  4. Step 4: Simplify right side
    19,597.01x = 408,453,289.74
  5. Step 5: Solve for x
    x = 408,453,289.74/19,597.01
  6. Step 6: Final answer
    x = 20,842.64

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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.