Home / 12,353.09-18,531.05-4,030.74

Finding the Fourth Proportional to 12,353.09, 18,531.05 and 4,030.74

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Solution

The fourth proportional to 12,353.09, 18,531.05 and 4,030.74 is: 6,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.09 : 18,531.05 = 4,030.74 : x
  2. Step 2: Convert to fraction form
    12,353.09/18,531.05 = 4,030.74/x
  3. Step 3: Cross multiply
    12,353.09x = 18,531.05 × 4,030.74
  4. Step 4: Simplify right side
    12,353.09x = 74,693,824.32
  5. Step 5: Solve for x
    x = 74,693,824.32/12,353.09
  6. Step 6: Final answer
    x = 6,046.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.