Home / 25,309.13-37,963.89-10,518.53

Finding the Fourth Proportional to 25,309.13, 37,963.89 and 10,518.53

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Solution

The fourth proportional to 25,309.13, 37,963.89 and 10,518.53 is: 15,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.13 : 37,963.89 = 10,518.53 : x
  2. Step 2: Convert to fraction form
    25,309.13/37,963.89 = 10,518.53/x
  3. Step 3: Cross multiply
    25,309.13x = 37,963.89 × 10,518.53
  4. Step 4: Simplify right side
    25,309.13x = 399,324,126.06
  5. Step 5: Solve for x
    x = 399,324,126.06/25,309.13
  6. Step 6: Final answer
    x = 15,777.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.