Home / 36,818.52-55,228.32-13,447.32

Finding the Fourth Proportional to 36,818.52, 55,228.32 and 13,447.32

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Solution

The fourth proportional to 36,818.52, 55,228.32 and 13,447.32 is: 20,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.52 : 55,228.32 = 13,447.32 : x
  2. Step 2: Convert to fraction form
    36,818.52/55,228.32 = 13,447.32/x
  3. Step 3: Cross multiply
    36,818.52x = 55,228.32 × 13,447.32
  4. Step 4: Simplify right side
    36,818.52x = 742,672,892.10
  5. Step 5: Solve for x
    x = 742,672,892.10/36,818.52
  6. Step 6: Final answer
    x = 20,171.18

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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.