Home / 18,109.74-24,990.39-10,150.50

Finding the Fourth Proportional to 18,109.74, 24,990.39 and 10,150.50

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Solution

The fourth proportional to 18,109.74, 24,990.39 and 10,150.50 is: 14,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.74 : 24,990.39 = 10,150.50 : x
  2. Step 2: Convert to fraction form
    18,109.74/24,990.39 = 10,150.50/x
  3. Step 3: Cross multiply
    18,109.74x = 24,990.39 × 10,150.50
  4. Step 4: Simplify right side
    18,109.74x = 253,664,953.70
  5. Step 5: Solve for x
    x = 253,664,953.70/18,109.74
  6. Step 6: Final answer
    x = 14,007.10

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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.