Home / 29,560.48-40,786.32-18,374.56

Finding the Fourth Proportional to 29,560.48, 40,786.32 and 18,374.56

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Solution

The fourth proportional to 29,560.48, 40,786.32 and 18,374.56 is: 25,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.48 : 40,786.32 = 18,374.56 : x
  2. Step 2: Convert to fraction form
    29,560.48/40,786.32 = 18,374.56/x
  3. Step 3: Cross multiply
    29,560.48x = 40,786.32 × 18,374.56
  4. Step 4: Simplify right side
    29,560.48x = 749,430,684.02
  5. Step 5: Solve for x
    x = 749,430,684.02/29,560.48
  6. Step 6: Final answer
    x = 25,352.45

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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.