Home / 18,253.51-25,190.22-10,294.21

Finding the Fourth Proportional to 18,253.51, 25,190.22 and 10,294.21

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Solution

The fourth proportional to 18,253.51, 25,190.22 and 10,294.21 is: 14,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.51 : 25,190.22 = 10,294.21 : x
  2. Step 2: Convert to fraction form
    18,253.51/25,190.22 = 10,294.21/x
  3. Step 3: Cross multiply
    18,253.51x = 25,190.22 × 10,294.21
  4. Step 4: Simplify right side
    18,253.51x = 259,313,414.63
  5. Step 5: Solve for x
    x = 259,313,414.63/18,253.51
  6. Step 6: Final answer
    x = 14,206.22

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Half scale
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Double scale
Find fourth proportional to 18,254.51, 25,191.60 and 10,295.21
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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.