Home / 18,921.09-26,111.11-10,537.59

Finding the Fourth Proportional to 18,921.09, 26,111.11 and 10,537.59

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Solution

The fourth proportional to 18,921.09, 26,111.11 and 10,537.59 is: 14,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.09 : 26,111.11 = 10,537.59 : x
  2. Step 2: Convert to fraction form
    18,921.09/26,111.11 = 10,537.59/x
  3. Step 3: Cross multiply
    18,921.09x = 26,111.11 × 10,537.59
  4. Step 4: Simplify right side
    18,921.09x = 275,148,262.96
  5. Step 5: Solve for x
    x = 275,148,262.96/18,921.09
  6. Step 6: Final answer
    x = 14,541.88

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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.