Home / 19,520.94-26,935.08-11,564.70

Finding the Fourth Proportional to 19,520.94, 26,935.08 and 11,564.70

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Solution

The fourth proportional to 19,520.94, 26,935.08 and 11,564.70 is: 15,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.94 : 26,935.08 = 11,564.70 : x
  2. Step 2: Convert to fraction form
    19,520.94/26,935.08 = 11,564.70/x
  3. Step 3: Cross multiply
    19,520.94x = 26,935.08 × 11,564.70
  4. Step 4: Simplify right side
    19,520.94x = 311,496,119.68
  5. Step 5: Solve for x
    x = 311,496,119.68/19,520.94
  6. Step 6: Final answer
    x = 15,957.02

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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.