Home / 25,687.66-35,450.32-15,614.46

Finding the Fourth Proportional to 25,687.66, 35,450.32 and 15,614.46

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Solution

The fourth proportional to 25,687.66, 35,450.32 and 15,614.46 is: 21,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.66 : 35,450.32 = 15,614.46 : x
  2. Step 2: Convert to fraction form
    25,687.66/35,450.32 = 15,614.46/x
  3. Step 3: Cross multiply
    25,687.66x = 35,450.32 × 15,614.46
  4. Step 4: Simplify right side
    25,687.66x = 553,537,603.63
  5. Step 5: Solve for x
    x = 553,537,603.63/25,687.66
  6. Step 6: Final answer
    x = 21,548.77

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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.