Home / 15,446.33-21,316.86-8,732.58

Finding the Fourth Proportional to 15,446.33, 21,316.86 and 8,732.58

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Solution

The fourth proportional to 15,446.33, 21,316.86 and 8,732.58 is: 12,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.33 : 21,316.86 = 8,732.58 : x
  2. Step 2: Convert to fraction form
    15,446.33/21,316.86 = 8,732.58/x
  3. Step 3: Cross multiply
    15,446.33x = 21,316.86 × 8,732.58
  4. Step 4: Simplify right side
    15,446.33x = 186,151,163.47
  5. Step 5: Solve for x
    x = 186,151,163.47/15,446.33
  6. Step 6: Final answer
    x = 12,051.48

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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.