Home / 18,376.80-25,366.56-10,824.36

Finding the Fourth Proportional to 18,376.80, 25,366.56 and 10,824.36

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Solution

The fourth proportional to 18,376.80, 25,366.56 and 10,824.36 is: 14,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.80 : 25,366.56 = 10,824.36 : x
  2. Step 2: Convert to fraction form
    18,376.80/25,366.56 = 10,824.36/x
  3. Step 3: Cross multiply
    18,376.80x = 25,366.56 × 10,824.36
  4. Step 4: Simplify right side
    18,376.80x = 274,576,777.40
  5. Step 5: Solve for x
    x = 274,576,777.40/18,376.80
  6. Step 6: Final answer
    x = 14,941.49

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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.