Home / 30,012.48-41,415.12-17,264.88

Finding the Fourth Proportional to 30,012.48, 41,415.12 and 17,264.88

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Solution

The fourth proportional to 30,012.48, 41,415.12 and 17,264.88 is: 23,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.48 : 41,415.12 = 17,264.88 : x
  2. Step 2: Convert to fraction form
    30,012.48/41,415.12 = 17,264.88/x
  3. Step 3: Cross multiply
    30,012.48x = 41,415.12 × 17,264.88
  4. Step 4: Simplify right side
    30,012.48x = 715,027,076.99
  5. Step 5: Solve for x
    x = 715,027,076.99/30,012.48
  6. Step 6: Final answer
    x = 23,824.32

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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.