Home / 14,945.80-20,625.83-8,574.18

Finding the Fourth Proportional to 14,945.80, 20,625.83 and 8,574.18

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Solution

The fourth proportional to 14,945.80, 20,625.83 and 8,574.18 is: 11,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.80 : 20,625.83 = 8,574.18 : x
  2. Step 2: Convert to fraction form
    14,945.80/20,625.83 = 8,574.18/x
  3. Step 3: Cross multiply
    14,945.80x = 20,625.83 × 8,574.18
  4. Step 4: Simplify right side
    14,945.80x = 176,849,579.07
  5. Step 5: Solve for x
    x = 176,849,579.07/14,945.80
  6. Step 6: Final answer
    x = 11,832.73

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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.