Home / 15,558.67-21,470.43-8,844.58

Finding the Fourth Proportional to 15,558.67, 21,470.43 and 8,844.58

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Solution

The fourth proportional to 15,558.67, 21,470.43 and 8,844.58 is: 12,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.67 : 21,470.43 = 8,844.58 : x
  2. Step 2: Convert to fraction form
    15,558.67/21,470.43 = 8,844.58/x
  3. Step 3: Cross multiply
    15,558.67x = 21,470.43 × 8,844.58
  4. Step 4: Simplify right side
    15,558.67x = 189,896,935.77
  5. Step 5: Solve for x
    x = 189,896,935.77/15,558.67
  6. Step 6: Final answer
    x = 12,205.22

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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.