Home / 30,003.56-41,404.78-16,574.81

Finding the Fourth Proportional to 30,003.56, 41,404.78 and 16,574.81

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Solution

The fourth proportional to 30,003.56, 41,404.78 and 16,574.81 is: 22,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.56 : 41,404.78 = 16,574.81 : x
  2. Step 2: Convert to fraction form
    30,003.56/41,404.78 = 16,574.81/x
  3. Step 3: Cross multiply
    30,003.56x = 41,404.78 × 16,574.81
  4. Step 4: Simplify right side
    30,003.56x = 686,276,361.57
  5. Step 5: Solve for x
    x = 686,276,361.57/30,003.56
  6. Step 6: Final answer
    x = 22,873.17

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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.