Home / 18,921.06-26,111.16-10,537.56

Finding the Fourth Proportional to 18,921.06, 26,111.16 and 10,537.56

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Solution

The fourth proportional to 18,921.06, 26,111.16 and 10,537.56 is: 14,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921.06 : 26,111.16 = 10,537.56 : x
  2. Step 2: Convert to fraction form
    18,921.06/26,111.16 = 10,537.56/x
  3. Step 3: Cross multiply
    18,921.06x = 26,111.16 × 10,537.56
  4. Step 4: Simplify right side
    18,921.06x = 275,147,915.17
  5. Step 5: Solve for x
    x = 275,147,915.17/18,921.06
  6. Step 6: Final answer
    x = 14,541.89

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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.