Home / 29,820.15-41,130.38-19,199.63

Finding the Fourth Proportional to 29,820.15, 41,130.38 and 19,199.63

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Solution

The fourth proportional to 29,820.15, 41,130.38 and 19,199.63 is: 26,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.15 : 41,130.38 = 19,199.63 : x
  2. Step 2: Convert to fraction form
    29,820.15/41,130.38 = 19,199.63/x
  3. Step 3: Cross multiply
    29,820.15x = 41,130.38 × 19,199.63
  4. Step 4: Simplify right side
    29,820.15x = 789,688,228.58
  5. Step 5: Solve for x
    x = 789,688,228.58/29,820.15
  6. Step 6: Final answer
    x = 26,481.70

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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.