Home / 15,600.49-21,525.69-8,885.97

Finding the Fourth Proportional to 15,600.49, 21,525.69 and 8,885.97

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Solution

The fourth proportional to 15,600.49, 21,525.69 and 8,885.97 is: 12,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.49 : 21,525.69 = 8,885.97 : x
  2. Step 2: Convert to fraction form
    15,600.49/21,525.69 = 8,885.97/x
  3. Step 3: Cross multiply
    15,600.49x = 21,525.69 × 8,885.97
  4. Step 4: Simplify right side
    15,600.49x = 191,276,635.57
  5. Step 5: Solve for x
    x = 191,276,635.57/15,600.49
  6. Step 6: Final answer
    x = 12,260.94

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Half scale
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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.