Home / 19,977.61-27,569.18-11,025.37

Finding the Fourth Proportional to 19,977.61, 27,569.18 and 11,025.37

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Solution

The fourth proportional to 19,977.61, 27,569.18 and 11,025.37 is: 15,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.61 : 27,569.18 = 11,025.37 : x
  2. Step 2: Convert to fraction form
    19,977.61/27,569.18 = 11,025.37/x
  3. Step 3: Cross multiply
    19,977.61x = 27,569.18 × 11,025.37
  4. Step 4: Simplify right side
    19,977.61x = 303,960,410.10
  5. Step 5: Solve for x
    x = 303,960,410.10/19,977.61
  6. Step 6: Final answer
    x = 15,215.05

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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.