Home / 18,270.24-25,255.44-16,300.32

Finding the Fourth Proportional to 18,270.24, 25,255.44 and 16,300.32

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Solution

The fourth proportional to 18,270.24, 25,255.44 and 16,300.32 is: 22,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.24 : 25,255.44 = 16,300.32 : x
  2. Step 2: Convert to fraction form
    18,270.24/25,255.44 = 16,300.32/x
  3. Step 3: Cross multiply
    18,270.24x = 25,255.44 × 16,300.32
  4. Step 4: Simplify right side
    18,270.24x = 411,671,753.74
  5. Step 5: Solve for x
    x = 411,671,753.74/18,270.24
  6. Step 6: Final answer
    x = 22,532.37

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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.