Home / 19,803.39-27,328.42-10,850.76

Finding the Fourth Proportional to 19,803.39, 27,328.42 and 10,850.76

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Solution

The fourth proportional to 19,803.39, 27,328.42 and 10,850.76 is: 14,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.39 : 27,328.42 = 10,850.76 : x
  2. Step 2: Convert to fraction form
    19,803.39/27,328.42 = 10,850.76/x
  3. Step 3: Cross multiply
    19,803.39x = 27,328.42 × 10,850.76
  4. Step 4: Simplify right side
    19,803.39x = 296,534,140.16
  5. Step 5: Solve for x
    x = 296,534,140.16/19,803.39
  6. Step 6: Final answer
    x = 14,973.91

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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.