Home / 14,293.28-19,724.64-8,005.66

Finding the Fourth Proportional to 14,293.28, 19,724.64 and 8,005.66

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Solution

The fourth proportional to 14,293.28, 19,724.64 and 8,005.66 is: 11,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.28 : 19,724.64 = 8,005.66 : x
  2. Step 2: Convert to fraction form
    14,293.28/19,724.64 = 8,005.66/x
  3. Step 3: Cross multiply
    14,293.28x = 19,724.64 × 8,005.66
  4. Step 4: Simplify right side
    14,293.28x = 157,908,761.46
  5. Step 5: Solve for x
    x = 157,908,761.46/14,293.28
  6. Step 6: Final answer
    x = 11,047.76

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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.