Home / 15,015.70-22,523.28-4,485.77

Finding the Fourth Proportional to 15,015.70, 22,523.28 and 4,485.77

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Solution

The fourth proportional to 15,015.70, 22,523.28 and 4,485.77 is: 6,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.70 : 22,523.28 = 4,485.77 : x
  2. Step 2: Convert to fraction form
    15,015.70/22,523.28 = 4,485.77/x
  3. Step 3: Cross multiply
    15,015.70x = 22,523.28 × 4,485.77
  4. Step 4: Simplify right side
    15,015.70x = 101,034,253.73
  5. Step 5: Solve for x
    x = 101,034,253.73/15,015.70
  6. Step 6: Final answer
    x = 6,728.57

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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.