Home / 18,863.79-26,036.72-10,910.63

Finding the Fourth Proportional to 18,863.79, 26,036.72 and 10,910.63

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Solution

The fourth proportional to 18,863.79, 26,036.72 and 10,910.63 is: 15,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.79 : 26,036.72 = 10,910.63 : x
  2. Step 2: Convert to fraction form
    18,863.79/26,036.72 = 10,910.63/x
  3. Step 3: Cross multiply
    18,863.79x = 26,036.72 × 10,910.63
  4. Step 4: Simplify right side
    18,863.79x = 284,076,833.60
  5. Step 5: Solve for x
    x = 284,076,833.60/18,863.79
  6. Step 6: Final answer
    x = 15,059.37

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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.