Home / 13,325.31-19,987.56-3,464.37

Finding the Fourth Proportional to 13,325.31, 19,987.56 and 3,464.37

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Solution

The fourth proportional to 13,325.31, 19,987.56 and 3,464.37 is: 5,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.31 : 19,987.56 = 3,464.37 : x
  2. Step 2: Convert to fraction form
    13,325.31/19,987.56 = 3,464.37/x
  3. Step 3: Cross multiply
    13,325.31x = 19,987.56 × 3,464.37
  4. Step 4: Simplify right side
    13,325.31x = 69,244,303.24
  5. Step 5: Solve for x
    x = 69,244,303.24/13,325.31
  6. Step 6: Final answer
    x = 5,196.45

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1.5x scale

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.