Home / 15,427.88-23,136.24-5,564.51

Finding the Fourth Proportional to 15,427.88, 23,136.24 and 5,564.51

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Solution

The fourth proportional to 15,427.88, 23,136.24 and 5,564.51 is: 8,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.88 : 23,136.24 = 5,564.51 : x
  2. Step 2: Convert to fraction form
    15,427.88/23,136.24 = 5,564.51/x
  3. Step 3: Cross multiply
    15,427.88x = 23,136.24 × 5,564.51
  4. Step 4: Simplify right side
    15,427.88x = 128,741,838.84
  5. Step 5: Solve for x
    x = 128,741,838.84/15,427.88
  6. Step 6: Final answer
    x = 8,344.75

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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.