Home / 13,851.48-19,135.26-11,985.24

Finding the Fourth Proportional to 13,851.48, 19,135.26 and 11,985.24

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Solution

The fourth proportional to 13,851.48, 19,135.26 and 11,985.24 is: 16,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.48 : 19,135.26 = 11,985.24 : x
  2. Step 2: Convert to fraction form
    13,851.48/19,135.26 = 11,985.24/x
  3. Step 3: Cross multiply
    13,851.48x = 19,135.26 × 11,985.24
  4. Step 4: Simplify right side
    13,851.48x = 229,340,683.56
  5. Step 5: Solve for x
    x = 229,340,683.56/13,851.48
  6. Step 6: Final answer
    x = 16,557.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.