Home / 15,184.08-20,945.58-8,895.24

Finding the Fourth Proportional to 15,184.08, 20,945.58 and 8,895.24

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Solution

The fourth proportional to 15,184.08, 20,945.58 and 8,895.24 is: 12,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.08 : 20,945.58 = 8,895.24 : x
  2. Step 2: Convert to fraction form
    15,184.08/20,945.58 = 8,895.24/x
  3. Step 3: Cross multiply
    15,184.08x = 20,945.58 × 8,895.24
  4. Step 4: Simplify right side
    15,184.08x = 186,315,961.04
  5. Step 5: Solve for x
    x = 186,315,961.04/15,184.08
  6. Step 6: Final answer
    x = 12,270.48

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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.