Home / 19,549.29-26,977.35-11,586.78

Finding the Fourth Proportional to 19,549.29, 26,977.35 and 11,586.78

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Solution

The fourth proportional to 19,549.29, 26,977.35 and 11,586.78 is: 15,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.29 : 26,977.35 = 11,586.78 : x
  2. Step 2: Convert to fraction form
    19,549.29/26,977.35 = 11,586.78/x
  3. Step 3: Cross multiply
    19,549.29x = 26,977.35 × 11,586.78
  4. Step 4: Simplify right side
    19,549.29x = 312,580,619.43
  5. Step 5: Solve for x
    x = 312,580,619.43/19,549.29
  6. Step 6: Final answer
    x = 15,989.36

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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.