Home / 15,846.52-21,861.34-9,555.26

Finding the Fourth Proportional to 15,846.52, 21,861.34 and 9,555.26

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Solution

The fourth proportional to 15,846.52, 21,861.34 and 9,555.26 is: 13,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.52 : 21,861.34 = 9,555.26 : x
  2. Step 2: Convert to fraction form
    15,846.52/21,861.34 = 9,555.26/x
  3. Step 3: Cross multiply
    15,846.52x = 21,861.34 × 9,555.26
  4. Step 4: Simplify right side
    15,846.52x = 208,890,787.65
  5. Step 5: Solve for x
    x = 208,890,787.65/15,846.52
  6. Step 6: Final answer
    x = 13,182.12

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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.