Home / 29,415.82-40,594.09-15,987.07

Finding the Fourth Proportional to 29,415.82, 40,594.09 and 15,987.07

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Solution

The fourth proportional to 29,415.82, 40,594.09 and 15,987.07 is: 22,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.82 : 40,594.09 = 15,987.07 : x
  2. Step 2: Convert to fraction form
    29,415.82/40,594.09 = 15,987.07/x
  3. Step 3: Cross multiply
    29,415.82x = 40,594.09 × 15,987.07
  4. Step 4: Simplify right side
    29,415.82x = 648,980,558.42
  5. Step 5: Solve for x
    x = 648,980,558.42/29,415.82
  6. Step 6: Final answer
    x = 22,062.30

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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.