Home / 25,803.24-38,700.90-10,015.80

Finding the Fourth Proportional to 25,803.24, 38,700.90 and 10,015.80

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Solution

The fourth proportional to 25,803.24, 38,700.90 and 10,015.80 is: 15,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.24 : 38,700.90 = 10,015.80 : x
  2. Step 2: Convert to fraction form
    25,803.24/38,700.90 = 10,015.80/x
  3. Step 3: Cross multiply
    25,803.24x = 38,700.90 × 10,015.80
  4. Step 4: Simplify right side
    25,803.24x = 387,620,474.22
  5. Step 5: Solve for x
    x = 387,620,474.22/25,803.24
  6. Step 6: Final answer
    x = 15,022.16

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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.