Home / 14,091.30-19,445.84-8,124.24

Finding the Fourth Proportional to 14,091.30, 19,445.84 and 8,124.24

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Solution

The fourth proportional to 14,091.30, 19,445.84 and 8,124.24 is: 11,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.30 : 19,445.84 = 8,124.24 : x
  2. Step 2: Convert to fraction form
    14,091.30/19,445.84 = 8,124.24/x
  3. Step 3: Cross multiply
    14,091.30x = 19,445.84 × 8,124.24
  4. Step 4: Simplify right side
    14,091.30x = 157,982,671.16
  5. Step 5: Solve for x
    x = 157,982,671.16/14,091.30
  6. Step 6: Final answer
    x = 11,211.36

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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.