Home / 21,624.56-29,841.96-12,193.12

Finding the Fourth Proportional to 21,624.56, 29,841.96 and 12,193.12

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Solution

The fourth proportional to 21,624.56, 29,841.96 and 12,193.12 is: 16,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.56 : 29,841.96 = 12,193.12 : x
  2. Step 2: Convert to fraction form
    21,624.56/29,841.96 = 12,193.12/x
  3. Step 3: Cross multiply
    21,624.56x = 29,841.96 × 12,193.12
  4. Step 4: Simplify right side
    21,624.56x = 363,866,599.32
  5. Step 5: Solve for x
    x = 363,866,599.32/21,624.56
  6. Step 6: Final answer
    x = 16,826.54

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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.