Home / 19,755.72-27,263.25-10,803.60

Finding the Fourth Proportional to 19,755.72, 27,263.25 and 10,803.60

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Solution

The fourth proportional to 19,755.72, 27,263.25 and 10,803.60 is: 14,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.72 : 27,263.25 = 10,803.60 : x
  2. Step 2: Convert to fraction form
    19,755.72/27,263.25 = 10,803.60/x
  3. Step 3: Cross multiply
    19,755.72x = 27,263.25 × 10,803.60
  4. Step 4: Simplify right side
    19,755.72x = 294,541,247.70
  5. Step 5: Solve for x
    x = 294,541,247.70/19,755.72
  6. Step 6: Final answer
    x = 14,909.16

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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.