Home / 13,973.25-20,963.12-4,739.25

Finding the Fourth Proportional to 13,973.25, 20,963.12 and 4,739.25

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Solution

The fourth proportional to 13,973.25, 20,963.12 and 4,739.25 is: 7,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.25 : 20,963.12 = 4,739.25 : x
  2. Step 2: Convert to fraction form
    13,973.25/20,963.12 = 4,739.25/x
  3. Step 3: Cross multiply
    13,973.25x = 20,963.12 × 4,739.25
  4. Step 4: Simplify right side
    13,973.25x = 99,349,442.76
  5. Step 5: Solve for x
    x = 99,349,442.76/13,973.25
  6. Step 6: Final answer
    x = 7,109.97

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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.