Home / 14,412.22-21,631.80-8,876.36

Finding the Fourth Proportional to 14,412.22, 21,631.80 and 8,876.36

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Solution

The fourth proportional to 14,412.22, 21,631.80 and 8,876.36 is: 13,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.22 : 21,631.80 = 8,876.36 : x
  2. Step 2: Convert to fraction form
    14,412.22/21,631.80 = 8,876.36/x
  3. Step 3: Cross multiply
    14,412.22x = 21,631.80 × 8,876.36
  4. Step 4: Simplify right side
    14,412.22x = 192,011,644.25
  5. Step 5: Solve for x
    x = 192,011,644.25/14,412.22
  6. Step 6: Final answer
    x = 13,322.84

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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.