Home / 15,750.99-21,735.81-9,462.15

Finding the Fourth Proportional to 15,750.99, 21,735.81 and 9,462.15

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Solution

The fourth proportional to 15,750.99, 21,735.81 and 9,462.15 is: 13,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.99 : 21,735.81 = 9,462.15 : x
  2. Step 2: Convert to fraction form
    15,750.99/21,735.81 = 9,462.15/x
  3. Step 3: Cross multiply
    15,750.99x = 21,735.81 × 9,462.15
  4. Step 4: Simplify right side
    15,750.99x = 205,667,494.59
  5. Step 5: Solve for x
    x = 205,667,494.59/15,750.99
  6. Step 6: Final answer
    x = 13,057.43

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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.