Home / 13,962.35-20,943.48-5,642.27

Finding the Fourth Proportional to 13,962.35, 20,943.48 and 5,642.27

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Solution

The fourth proportional to 13,962.35, 20,943.48 and 5,642.27 is: 8,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.35 : 20,943.48 = 5,642.27 : x
  2. Step 2: Convert to fraction form
    13,962.35/20,943.48 = 5,642.27/x
  3. Step 3: Cross multiply
    13,962.35x = 20,943.48 × 5,642.27
  4. Step 4: Simplify right side
    13,962.35x = 118,168,664.18
  5. Step 5: Solve for x
    x = 118,168,664.18/13,962.35
  6. Step 6: Final answer
    x = 8,463.38

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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.