Home / 15,844.69-21,861.52-9,552.61

Finding the Fourth Proportional to 15,844.69, 21,861.52 and 9,552.61

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Solution

The fourth proportional to 15,844.69, 21,861.52 and 9,552.61 is: 13,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.69 : 21,861.52 = 9,552.61 : x
  2. Step 2: Convert to fraction form
    15,844.69/21,861.52 = 9,552.61/x
  3. Step 3: Cross multiply
    15,844.69x = 21,861.52 × 9,552.61
  4. Step 4: Simplify right side
    15,844.69x = 208,834,574.57
  5. Step 5: Solve for x
    x = 208,834,574.57/15,844.69
  6. Step 6: Final answer
    x = 13,180.10

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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.