Home / 14,248.93-19,663.48-7,961.30

Finding the Fourth Proportional to 14,248.93, 19,663.48 and 7,961.30

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Solution

The fourth proportional to 14,248.93, 19,663.48 and 7,961.30 is: 10,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.93 : 19,663.48 = 7,961.30 : x
  2. Step 2: Convert to fraction form
    14,248.93/19,663.48 = 7,961.30/x
  3. Step 3: Cross multiply
    14,248.93x = 19,663.48 × 7,961.30
  4. Step 4: Simplify right side
    14,248.93x = 156,546,914.52
  5. Step 5: Solve for x
    x = 156,546,914.52/14,248.93
  6. Step 6: Final answer
    x = 10,986.57

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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.