Home / 18,662.28-25,756.38-10,702.95

Finding the Fourth Proportional to 18,662.28, 25,756.38 and 10,702.95

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Solution

The fourth proportional to 18,662.28, 25,756.38 and 10,702.95 is: 14,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.28 : 25,756.38 = 10,702.95 : x
  2. Step 2: Convert to fraction form
    18,662.28/25,756.38 = 10,702.95/x
  3. Step 3: Cross multiply
    18,662.28x = 25,756.38 × 10,702.95
  4. Step 4: Simplify right side
    18,662.28x = 275,669,247.32
  5. Step 5: Solve for x
    x = 275,669,247.32/18,662.28
  6. Step 6: Final answer
    x = 14,771.47

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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.