Home / 28,336.17-42,486.03-13,544.76

Finding the Fourth Proportional to 28,336.17, 42,486.03 and 13,544.76

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Solution

The fourth proportional to 28,336.17, 42,486.03 and 13,544.76 is: 20,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.17 : 42,486.03 = 13,544.76 : x
  2. Step 2: Convert to fraction form
    28,336.17/42,486.03 = 13,544.76/x
  3. Step 3: Cross multiply
    28,336.17x = 42,486.03 × 13,544.76
  4. Step 4: Simplify right side
    28,336.17x = 575,463,079.70
  5. Step 5: Solve for x
    x = 575,463,079.70/28,336.17
  6. Step 6: Final answer
    x = 20,308.43

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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.