Home / 13,574.19-20,361.56-8,923.86

Finding the Fourth Proportional to 13,574.19, 20,361.56 and 8,923.86

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Solution

The fourth proportional to 13,574.19, 20,361.56 and 8,923.86 is: 13,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.19 : 20,361.56 = 8,923.86 : x
  2. Step 2: Convert to fraction form
    13,574.19/20,361.56 = 8,923.86/x
  3. Step 3: Cross multiply
    13,574.19x = 20,361.56 × 8,923.86
  4. Step 4: Simplify right side
    13,574.19x = 181,703,666.20
  5. Step 5: Solve for x
    x = 181,703,666.20/13,574.19
  6. Step 6: Final answer
    x = 13,385.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.