Home / 13,607.12-20,404.53-4,842.27

Finding the Fourth Proportional to 13,607.12, 20,404.53 and 4,842.27

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Solution

The fourth proportional to 13,607.12, 20,404.53 and 4,842.27 is: 7,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.12 : 20,404.53 = 4,842.27 : x
  2. Step 2: Convert to fraction form
    13,607.12/20,404.53 = 4,842.27/x
  3. Step 3: Cross multiply
    13,607.12x = 20,404.53 × 4,842.27
  4. Step 4: Simplify right side
    13,607.12x = 98,804,243.48
  5. Step 5: Solve for x
    x = 98,804,243.48/13,607.12
  6. Step 6: Final answer
    x = 7,261.22

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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.