Home / 27,087.19-40,631.85-8,365.56

Finding the Fourth Proportional to 27,087.19, 40,631.85 and 8,365.56

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Solution

The fourth proportional to 27,087.19, 40,631.85 and 8,365.56 is: 12,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.19 : 40,631.85 = 8,365.56 : x
  2. Step 2: Convert to fraction form
    27,087.19/40,631.85 = 8,365.56/x
  3. Step 3: Cross multiply
    27,087.19x = 40,631.85 × 8,365.56
  4. Step 4: Simplify right side
    27,087.19x = 339,908,158.17
  5. Step 5: Solve for x
    x = 339,908,158.17/27,087.19
  6. Step 6: Final answer
    x = 12,548.67

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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.