Home / 25,935.66-38,904.27-10,140.06

Finding the Fourth Proportional to 25,935.66, 38,904.27 and 10,140.06

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Solution

The fourth proportional to 25,935.66, 38,904.27 and 10,140.06 is: 15,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.66 : 38,904.27 = 10,140.06 : x
  2. Step 2: Convert to fraction form
    25,935.66/38,904.27 = 10,140.06/x
  3. Step 3: Cross multiply
    25,935.66x = 38,904.27 × 10,140.06
  4. Step 4: Simplify right side
    25,935.66x = 394,491,632.06
  5. Step 5: Solve for x
    x = 394,491,632.06/25,935.66
  6. Step 6: Final answer
    x = 15,210.39

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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.