Home / 14,091.28-19,444.62-8,424.90

Finding the Fourth Proportional to 14,091.28, 19,444.62 and 8,424.90

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Solution

The fourth proportional to 14,091.28, 19,444.62 and 8,424.90 is: 11,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.28 : 19,444.62 = 8,424.90 : x
  2. Step 2: Convert to fraction form
    14,091.28/19,444.62 = 8,424.90/x
  3. Step 3: Cross multiply
    14,091.28x = 19,444.62 × 8,424.90
  4. Step 4: Simplify right side
    14,091.28x = 163,818,979.04
  5. Step 5: Solve for x
    x = 163,818,979.04/14,091.28
  6. Step 6: Final answer
    x = 11,625.56

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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.