Home / 14,293.12-19,724.48-8,005.44

Finding the Fourth Proportional to 14,293.12, 19,724.48 and 8,005.44

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Solution

The fourth proportional to 14,293.12, 19,724.48 and 8,005.44 is: 11,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.12 : 19,724.48 = 8,005.44 : x
  2. Step 2: Convert to fraction form
    14,293.12/19,724.48 = 8,005.44/x
  3. Step 3: Cross multiply
    14,293.12x = 19,724.48 × 8,005.44
  4. Step 4: Simplify right side
    14,293.12x = 157,903,141.17
  5. Step 5: Solve for x
    x = 157,903,141.17/14,293.12
  6. Step 6: Final answer
    x = 11,047.49

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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.