Home / 14,588.12-21,886.86-5,221.78

Finding the Fourth Proportional to 14,588.12, 21,886.86 and 5,221.78

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Solution

The fourth proportional to 14,588.12, 21,886.86 and 5,221.78 is: 7,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.12 : 21,886.86 = 5,221.78 : x
  2. Step 2: Convert to fraction form
    14,588.12/21,886.86 = 5,221.78/x
  3. Step 3: Cross multiply
    14,588.12x = 21,886.86 × 5,221.78
  4. Step 4: Simplify right side
    14,588.12x = 114,288,367.81
  5. Step 5: Solve for x
    x = 114,288,367.81/14,588.12
  6. Step 6: Final answer
    x = 7,834.35

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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.