Home / 13,451.50-18,562.80-7,483.06

Finding the Fourth Proportional to 13,451.50, 18,562.80 and 7,483.06

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Solution

The fourth proportional to 13,451.50, 18,562.80 and 7,483.06 is: 10,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.50 : 18,562.80 = 7,483.06 : x
  2. Step 2: Convert to fraction form
    13,451.50/18,562.80 = 7,483.06/x
  3. Step 3: Cross multiply
    13,451.50x = 18,562.80 × 7,483.06
  4. Step 4: Simplify right side
    13,451.50x = 138,906,546.17
  5. Step 5: Solve for x
    x = 138,906,546.17/13,451.50
  6. Step 6: Final answer
    x = 10,326.47

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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.