Home / 15,765.97-21,765.95-10,468.03

Finding the Fourth Proportional to 15,765.97, 21,765.95 and 10,468.03

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Solution

The fourth proportional to 15,765.97, 21,765.95 and 10,468.03 is: 14,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.97 : 21,765.95 = 10,468.03 : x
  2. Step 2: Convert to fraction form
    15,765.97/21,765.95 = 10,468.03/x
  3. Step 3: Cross multiply
    15,765.97x = 21,765.95 × 10,468.03
  4. Step 4: Simplify right side
    15,765.97x = 227,846,617.58
  5. Step 5: Solve for x
    x = 227,846,617.58/15,765.97
  6. Step 6: Final answer
    x = 14,451.80

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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.