Home / 14,616.24-20,165.63-8,945.07

Finding the Fourth Proportional to 14,616.24, 20,165.63 and 8,945.07

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Solution

The fourth proportional to 14,616.24, 20,165.63 and 8,945.07 is: 12,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.24 : 20,165.63 = 8,945.07 : x
  2. Step 2: Convert to fraction form
    14,616.24/20,165.63 = 8,945.07/x
  3. Step 3: Cross multiply
    14,616.24x = 20,165.63 × 8,945.07
  4. Step 4: Simplify right side
    14,616.24x = 180,382,971.94
  5. Step 5: Solve for x
    x = 180,382,971.94/14,616.24
  6. Step 6: Final answer
    x = 12,341.27

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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.