Home / 19,549.47-26,977.59-11,586.99

Finding the Fourth Proportional to 19,549.47, 26,977.59 and 11,586.99

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Solution

The fourth proportional to 19,549.47, 26,977.59 and 11,586.99 is: 15,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.47 : 26,977.59 = 11,586.99 : x
  2. Step 2: Convert to fraction form
    19,549.47/26,977.59 = 11,586.99/x
  3. Step 3: Cross multiply
    19,549.47x = 26,977.59 × 11,586.99
  4. Step 4: Simplify right side
    19,549.47x = 312,589,065.55
  5. Step 5: Solve for x
    x = 312,589,065.55/19,549.47
  6. Step 6: Final answer
    x = 15,989.64

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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.