Home / 26,667.64-36,803.55-15,340.87

Finding the Fourth Proportional to 26,667.64, 36,803.55 and 15,340.87

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Solution

The fourth proportional to 26,667.64, 36,803.55 and 15,340.87 is: 21,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.64 : 36,803.55 = 15,340.87 : x
  2. Step 2: Convert to fraction form
    26,667.64/36,803.55 = 15,340.87/x
  3. Step 3: Cross multiply
    26,667.64x = 36,803.55 × 15,340.87
  4. Step 4: Simplify right side
    26,667.64x = 564,598,476.09
  5. Step 5: Solve for x
    x = 564,598,476.09/26,667.64
  6. Step 6: Final answer
    x = 21,171.67

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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.