Home / 14,498.74-20,003.58-8,531.87

Finding the Fourth Proportional to 14,498.74, 20,003.58 and 8,531.87

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Solution

The fourth proportional to 14,498.74, 20,003.58 and 8,531.87 is: 11,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.74 : 20,003.58 = 8,531.87 : x
  2. Step 2: Convert to fraction form
    14,498.74/20,003.58 = 8,531.87/x
  3. Step 3: Cross multiply
    14,498.74x = 20,003.58 × 8,531.87
  4. Step 4: Simplify right side
    14,498.74x = 170,667,994.10
  5. Step 5: Solve for x
    x = 170,667,994.10/14,498.74
  6. Step 6: Final answer
    x = 11,771.23

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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.