Home / 14,134.48-19,512.88-9,961.36

Finding the Fourth Proportional to 14,134.48, 19,512.88 and 9,961.36

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Solution

The fourth proportional to 14,134.48, 19,512.88 and 9,961.36 is: 13,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.48 : 19,512.88 = 9,961.36 : x
  2. Step 2: Convert to fraction form
    14,134.48/19,512.88 = 9,961.36/x
  3. Step 3: Cross multiply
    14,134.48x = 19,512.88 × 9,961.36
  4. Step 4: Simplify right side
    14,134.48x = 194,374,822.32
  5. Step 5: Solve for x
    x = 194,374,822.32/14,134.48
  6. Step 6: Final answer
    x = 13,751.82

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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.