Home / 15,824.76-21,836.26-8,750.22

Finding the Fourth Proportional to 15,824.76, 21,836.26 and 8,750.22

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Solution

The fourth proportional to 15,824.76, 21,836.26 and 8,750.22 is: 12,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.76 : 21,836.26 = 8,750.22 : x
  2. Step 2: Convert to fraction form
    15,824.76/21,836.26 = 8,750.22/x
  3. Step 3: Cross multiply
    15,824.76x = 21,836.26 × 8,750.22
  4. Step 4: Simplify right side
    15,824.76x = 191,072,078.98
  5. Step 5: Solve for x
    x = 191,072,078.98/15,824.76
  6. Step 6: Final answer
    x = 12,074.25

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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.