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Finding the Fourth Proportional to 18,113.99, 24,996.98 and 10,156.19

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Solution

The fourth proportional to 18,113.99, 24,996.98 and 10,156.19 is: 14,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.99 : 24,996.98 = 10,156.19 : x
  2. Step 2: Convert to fraction form
    18,113.99/24,996.98 = 10,156.19/x
  3. Step 3: Cross multiply
    18,113.99x = 24,996.98 × 10,156.19
  4. Step 4: Simplify right side
    18,113.99x = 253,873,978.71
  5. Step 5: Solve for x
    x = 253,873,978.71/18,113.99
  6. Step 6: Final answer
    x = 14,015.36

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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.