Home / 14,584.74-20,115.45-11,011.70

Finding the Fourth Proportional to 14,584.74, 20,115.45 and 11,011.70

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Solution

The fourth proportional to 14,584.74, 20,115.45 and 11,011.70 is: 15,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.74 : 20,115.45 = 11,011.70 : x
  2. Step 2: Convert to fraction form
    14,584.74/20,115.45 = 11,011.70/x
  3. Step 3: Cross multiply
    14,584.74x = 20,115.45 × 11,011.70
  4. Step 4: Simplify right side
    14,584.74x = 221,505,200.19
  5. Step 5: Solve for x
    x = 221,505,200.19/14,584.74
  6. Step 6: Final answer
    x = 15,187.46

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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.