Home / 19,561.77-26,988.53-11,062.89

Finding the Fourth Proportional to 19,561.77, 26,988.53 and 11,062.89

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Solution

The fourth proportional to 19,561.77, 26,988.53 and 11,062.89 is: 15,262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.77 : 26,988.53 = 11,062.89 : x
  2. Step 2: Convert to fraction form
    19,561.77/26,988.53 = 11,062.89/x
  3. Step 3: Cross multiply
    19,561.77x = 26,988.53 × 11,062.89
  4. Step 4: Simplify right side
    19,561.77x = 298,571,083.34
  5. Step 5: Solve for x
    x = 298,571,083.34/19,561.77
  6. Step 6: Final answer
    x = 15,262.99

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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.