Home / 15,823.86-21,844.09-10,725.70

Finding the Fourth Proportional to 15,823.86, 21,844.09 and 10,725.70

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Solution

The fourth proportional to 15,823.86, 21,844.09 and 10,725.70 is: 14,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.86 : 21,844.09 = 10,725.70 : x
  2. Step 2: Convert to fraction form
    15,823.86/21,844.09 = 10,725.70/x
  3. Step 3: Cross multiply
    15,823.86x = 21,844.09 × 10,725.70
  4. Step 4: Simplify right side
    15,823.86x = 234,293,133.36
  5. Step 5: Solve for x
    x = 234,293,133.36/15,823.86
  6. Step 6: Final answer
    x = 14,806.32

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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.