Home / 14,104.88-19,442.28-11,115.92

Finding the Fourth Proportional to 14,104.88, 19,442.28 and 11,115.92

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Solution

The fourth proportional to 14,104.88, 19,442.28 and 11,115.92 is: 15,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.88 : 19,442.28 = 11,115.92 : x
  2. Step 2: Convert to fraction form
    14,104.88/19,442.28 = 11,115.92/x
  3. Step 3: Cross multiply
    14,104.88x = 19,442.28 × 11,115.92
  4. Step 4: Simplify right side
    14,104.88x = 216,118,829.10
  5. Step 5: Solve for x
    x = 216,118,829.10/14,104.88
  6. Step 6: Final answer
    x = 15,322.27

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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.