Home / 19,542.16-29,352.47-11,660.06

Finding the Fourth Proportional to 19,542.16, 29,352.47 and 11,660.06

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Solution

The fourth proportional to 19,542.16, 29,352.47 and 11,660.06 is: 17,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.16 : 29,352.47 = 11,660.06 : x
  2. Step 2: Convert to fraction form
    19,542.16/29,352.47 = 11,660.06/x
  3. Step 3: Cross multiply
    19,542.16x = 29,352.47 × 11,660.06
  4. Step 4: Simplify right side
    19,542.16x = 342,251,510.08
  5. Step 5: Solve for x
    x = 342,251,510.08/19,542.16
  6. Step 6: Final answer
    x = 17,513.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.