Home / 13,435.05-18,539.33-7,466.19

Finding the Fourth Proportional to 13,435.05, 18,539.33 and 7,466.19

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Solution

The fourth proportional to 13,435.05, 18,539.33 and 7,466.19 is: 10,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.05 : 18,539.33 = 7,466.19 : x
  2. Step 2: Convert to fraction form
    13,435.05/18,539.33 = 7,466.19/x
  3. Step 3: Cross multiply
    13,435.05x = 18,539.33 × 7,466.19
  4. Step 4: Simplify right side
    13,435.05x = 138,418,122.92
  5. Step 5: Solve for x
    x = 138,418,122.92/13,435.05
  6. Step 6: Final answer
    x = 10,302.76

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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.