Home / 15,247.62-21,042.19-8,533.23

Finding the Fourth Proportional to 15,247.62, 21,042.19 and 8,533.23

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Solution

The fourth proportional to 15,247.62, 21,042.19 and 8,533.23 is: 11,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.62 : 21,042.19 = 8,533.23 : x
  2. Step 2: Convert to fraction form
    15,247.62/21,042.19 = 8,533.23/x
  3. Step 3: Cross multiply
    15,247.62x = 21,042.19 × 8,533.23
  4. Step 4: Simplify right side
    15,247.62x = 179,557,810.71
  5. Step 5: Solve for x
    x = 179,557,810.71/15,247.62
  6. Step 6: Final answer
    x = 11,776.12

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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.