Home / 14,945.73-20,624.31-8,571.99

Finding the Fourth Proportional to 14,945.73, 20,624.31 and 8,571.99

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Solution

The fourth proportional to 14,945.73, 20,624.31 and 8,571.99 is: 11,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.73 : 20,624.31 = 8,571.99 : x
  2. Step 2: Convert to fraction form
    14,945.73/20,624.31 = 8,571.99/x
  3. Step 3: Cross multiply
    14,945.73x = 20,624.31 × 8,571.99
  4. Step 4: Simplify right side
    14,945.73x = 176,791,275.96
  5. Step 5: Solve for x
    x = 176,791,275.96/14,945.73
  6. Step 6: Final answer
    x = 11,828.89

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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.