Home / 14,945.18-20,623.92-8,572.83

Finding the Fourth Proportional to 14,945.18, 20,623.92 and 8,572.83

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Solution

The fourth proportional to 14,945.18, 20,623.92 and 8,572.83 is: 11,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.18 : 20,623.92 = 8,572.83 : x
  2. Step 2: Convert to fraction form
    14,945.18/20,623.92 = 8,572.83/x
  3. Step 3: Cross multiply
    14,945.18x = 20,623.92 × 8,572.83
  4. Step 4: Simplify right side
    14,945.18x = 176,805,360.09
  5. Step 5: Solve for x
    x = 176,805,360.09/14,945.18
  6. Step 6: Final answer
    x = 11,830.26

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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.