Home / 32,874.18-45,361.80-18,726.72

Finding the Fourth Proportional to 32,874.18, 45,361.80 and 18,726.72

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Solution

The fourth proportional to 32,874.18, 45,361.80 and 18,726.72 is: 25,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,874.18 : 45,361.80 = 18,726.72 : x
  2. Step 2: Convert to fraction form
    32,874.18/45,361.80 = 18,726.72/x
  3. Step 3: Cross multiply
    32,874.18x = 45,361.80 × 18,726.72
  4. Step 4: Simplify right side
    32,874.18x = 849,477,727.30
  5. Step 5: Solve for x
    x = 849,477,727.30/32,874.18
  6. Step 6: Final answer
    x = 25,840.27

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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.