Home / 37,009.80-55,502.55-13,633.20

Finding the Fourth Proportional to 37,009.80, 55,502.55 and 13,633.20

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Solution

The fourth proportional to 37,009.80, 55,502.55 and 13,633.20 is: 20,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.80 : 55,502.55 = 13,633.20 : x
  2. Step 2: Convert to fraction form
    37,009.80/55,502.55 = 13,633.20/x
  3. Step 3: Cross multiply
    37,009.80x = 55,502.55 × 13,633.20
  4. Step 4: Simplify right side
    37,009.80x = 756,677,364.66
  5. Step 5: Solve for x
    x = 756,677,364.66/37,009.80
  6. Step 6: Final answer
    x = 20,445.32

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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.