Home / 18,896.78-26,077.58-10,513.28

Finding the Fourth Proportional to 18,896.78, 26,077.58 and 10,513.28

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Solution

The fourth proportional to 18,896.78, 26,077.58 and 10,513.28 is: 14,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.78 : 26,077.58 = 10,513.28 : x
  2. Step 2: Convert to fraction form
    18,896.78/26,077.58 = 10,513.28/x
  3. Step 3: Cross multiply
    18,896.78x = 26,077.58 × 10,513.28
  4. Step 4: Simplify right side
    18,896.78x = 274,160,717.31
  5. Step 5: Solve for x
    x = 274,160,717.31/18,896.78
  6. Step 6: Final answer
    x = 14,508.33

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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.