Home / 16,969.30-23,423.85-10,255.18

Finding the Fourth Proportional to 16,969.30, 23,423.85 and 10,255.18

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Solution

The fourth proportional to 16,969.30, 23,423.85 and 10,255.18 is: 14,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.30 : 23,423.85 = 10,255.18 : x
  2. Step 2: Convert to fraction form
    16,969.30/23,423.85 = 10,255.18/x
  3. Step 3: Cross multiply
    16,969.30x = 23,423.85 × 10,255.18
  4. Step 4: Simplify right side
    16,969.30x = 240,215,798.04
  5. Step 5: Solve for x
    x = 240,215,798.04/16,969.30
  6. Step 6: Final answer
    x = 14,155.90

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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.