Home / 15,969.20-22,038.16-8,895.62

Finding the Fourth Proportional to 15,969.20, 22,038.16 and 8,895.62

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Solution

The fourth proportional to 15,969.20, 22,038.16 and 8,895.62 is: 12,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.20 : 22,038.16 = 8,895.62 : x
  2. Step 2: Convert to fraction form
    15,969.20/22,038.16 = 8,895.62/x
  3. Step 3: Cross multiply
    15,969.20x = 22,038.16 × 8,895.62
  4. Step 4: Simplify right side
    15,969.20x = 196,043,096.86
  5. Step 5: Solve for x
    x = 196,043,096.86/15,969.20
  6. Step 6: Final answer
    x = 12,276.33

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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.