Home / 18,541.15-25,586.87-10,043.28

Finding the Fourth Proportional to 18,541.15, 25,586.87 and 10,043.28

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Solution

The fourth proportional to 18,541.15, 25,586.87 and 10,043.28 is: 13,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.15 : 25,586.87 = 10,043.28 : x
  2. Step 2: Convert to fraction form
    18,541.15/25,586.87 = 10,043.28/x
  3. Step 3: Cross multiply
    18,541.15x = 25,586.87 × 10,043.28
  4. Step 4: Simplify right side
    18,541.15x = 256,976,274.32
  5. Step 5: Solve for x
    x = 256,976,274.32/18,541.15
  6. Step 6: Final answer
    x = 13,859.78

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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.