Home / 12,415.10-18,626.76-5,015.54

Finding the Fourth Proportional to 12,415.10, 18,626.76 and 5,015.54

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Solution

The fourth proportional to 12,415.10, 18,626.76 and 5,015.54 is: 7,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.10 : 18,626.76 = 5,015.54 : x
  2. Step 2: Convert to fraction form
    12,415.10/18,626.76 = 5,015.54/x
  3. Step 3: Cross multiply
    12,415.10x = 18,626.76 × 5,015.54
  4. Step 4: Simplify right side
    12,415.10x = 93,423,306.42
  5. Step 5: Solve for x
    x = 93,423,306.42/12,415.10
  6. Step 6: Final answer
    x = 7,524.98

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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.