Home / 18,246.63-25,178.82-10,290.81

Finding the Fourth Proportional to 18,246.63, 25,178.82 and 10,290.81

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Solution

The fourth proportional to 18,246.63, 25,178.82 and 10,290.81 is: 14,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.63 : 25,178.82 = 10,290.81 : x
  2. Step 2: Convert to fraction form
    18,246.63/25,178.82 = 10,290.81/x
  3. Step 3: Cross multiply
    18,246.63x = 25,178.82 × 10,290.81
  4. Step 4: Simplify right side
    18,246.63x = 259,110,508.47
  5. Step 5: Solve for x
    x = 259,110,508.47/18,246.63
  6. Step 6: Final answer
    x = 14,200.46

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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.