Home / 14,975.24-20,665.77-8,261.28

Finding the Fourth Proportional to 14,975.24, 20,665.77 and 8,261.28

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Solution

The fourth proportional to 14,975.24, 20,665.77 and 8,261.28 is: 11,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.24 : 20,665.77 = 8,261.28 : x
  2. Step 2: Convert to fraction form
    14,975.24/20,665.77 = 8,261.28/x
  3. Step 3: Cross multiply
    14,975.24x = 20,665.77 × 8,261.28
  4. Step 4: Simplify right side
    14,975.24x = 170,725,681.41
  5. Step 5: Solve for x
    x = 170,725,681.41/14,975.24
  6. Step 6: Final answer
    x = 11,400.53

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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.