Home / 15,436.13-23,137.49-7,529.66

Finding the Fourth Proportional to 15,436.13, 23,137.49 and 7,529.66

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Solution

The fourth proportional to 15,436.13, 23,137.49 and 7,529.66 is: 11,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.13 : 23,137.49 = 7,529.66 : x
  2. Step 2: Convert to fraction form
    15,436.13/23,137.49 = 7,529.66/x
  3. Step 3: Cross multiply
    15,436.13x = 23,137.49 × 7,529.66
  4. Step 4: Simplify right side
    15,436.13x = 174,217,432.95
  5. Step 5: Solve for x
    x = 174,217,432.95/15,436.13
  6. Step 6: Final answer
    x = 11,286.34

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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.