Home / 13,851.36-20,777.04-6,924.24

Finding the Fourth Proportional to 13,851.36, 20,777.04 and 6,924.24

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Solution

The fourth proportional to 13,851.36, 20,777.04 and 6,924.24 is: 10,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.36 : 20,777.04 = 6,924.24 : x
  2. Step 2: Convert to fraction form
    13,851.36/20,777.04 = 6,924.24/x
  3. Step 3: Cross multiply
    13,851.36x = 20,777.04 × 6,924.24
  4. Step 4: Simplify right side
    13,851.36x = 143,865,211.45
  5. Step 5: Solve for x
    x = 143,865,211.45/13,851.36
  6. Step 6: Final answer
    x = 10,386.36

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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.