Home / 29,221.07-40,293.36-18,597.11

Finding the Fourth Proportional to 29,221.07, 40,293.36 and 18,597.11

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Solution

The fourth proportional to 29,221.07, 40,293.36 and 18,597.11 is: 25,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.07 : 40,293.36 = 18,597.11 : x
  2. Step 2: Convert to fraction form
    29,221.07/40,293.36 = 18,597.11/x
  3. Step 3: Cross multiply
    29,221.07x = 40,293.36 × 18,597.11
  4. Step 4: Simplify right side
    29,221.07x = 749,339,846.72
  5. Step 5: Solve for x
    x = 749,339,846.72/29,221.07
  6. Step 6: Final answer
    x = 25,643.82

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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.