Home / 15,667.81-23,499.39-4,571.51

Finding the Fourth Proportional to 15,667.81, 23,499.39 and 4,571.51

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Solution

The fourth proportional to 15,667.81, 23,499.39 and 4,571.51 is: 6,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.81 : 23,499.39 = 4,571.51 : x
  2. Step 2: Convert to fraction form
    15,667.81/23,499.39 = 4,571.51/x
  3. Step 3: Cross multiply
    15,667.81x = 23,499.39 × 4,571.51
  4. Step 4: Simplify right side
    15,667.81x = 107,427,755.13
  5. Step 5: Solve for x
    x = 107,427,755.13/15,667.81
  6. Step 6: Final answer
    x = 6,856.59

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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.