Home / 13,434.68-18,539.60-7,466.31

Finding the Fourth Proportional to 13,434.68, 18,539.60 and 7,466.31

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Solution

The fourth proportional to 13,434.68, 18,539.60 and 7,466.31 is: 10,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.68 : 18,539.60 = 7,466.31 : x
  2. Step 2: Convert to fraction form
    13,434.68/18,539.60 = 7,466.31/x
  3. Step 3: Cross multiply
    13,434.68x = 18,539.60 × 7,466.31
  4. Step 4: Simplify right side
    13,434.68x = 138,422,363.54
  5. Step 5: Solve for x
    x = 138,422,363.54/13,434.68
  6. Step 6: Final answer
    x = 10,303.36

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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.