Home / 25,485.49-38,228.10-7,716.12

Finding the Fourth Proportional to 25,485.49, 38,228.10 and 7,716.12

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Solution

The fourth proportional to 25,485.49, 38,228.10 and 7,716.12 is: 11,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.49 : 38,228.10 = 7,716.12 : x
  2. Step 2: Convert to fraction form
    25,485.49/38,228.10 = 7,716.12/x
  3. Step 3: Cross multiply
    25,485.49x = 38,228.10 × 7,716.12
  4. Step 4: Simplify right side
    25,485.49x = 294,972,606.97
  5. Step 5: Solve for x
    x = 294,972,606.97/25,485.49
  6. Step 6: Final answer
    x = 11,574.14

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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.