Home / 18,109.18-24,991.35-10,151.56

Finding the Fourth Proportional to 18,109.18, 24,991.35 and 10,151.56

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Solution

The fourth proportional to 18,109.18, 24,991.35 and 10,151.56 is: 14,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.18 : 24,991.35 = 10,151.56 : x
  2. Step 2: Convert to fraction form
    18,109.18/24,991.35 = 10,151.56/x
  3. Step 3: Cross multiply
    18,109.18x = 24,991.35 × 10,151.56
  4. Step 4: Simplify right side
    18,109.18x = 253,701,189.01
  5. Step 5: Solve for x
    x = 253,701,189.01/18,109.18
  6. Step 6: Final answer
    x = 14,009.53

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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.