Home / 29,592.72-40,857.48-18,987.12

Finding the Fourth Proportional to 29,592.72, 40,857.48 and 18,987.12

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Solution

The fourth proportional to 29,592.72, 40,857.48 and 18,987.12 is: 26,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,592.72 : 40,857.48 = 18,987.12 : x
  2. Step 2: Convert to fraction form
    29,592.72/40,857.48 = 18,987.12/x
  3. Step 3: Cross multiply
    29,592.72x = 40,857.48 × 18,987.12
  4. Step 4: Simplify right side
    29,592.72x = 775,765,875.66
  5. Step 5: Solve for x
    x = 775,765,875.66/29,592.72
  6. Step 6: Final answer
    x = 26,214.75

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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.