Home / 19,686.06-29,542.92-17,803.87

Finding the Fourth Proportional to 19,686.06, 29,542.92 and 17,803.87

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Solution

The fourth proportional to 19,686.06, 29,542.92 and 17,803.87 is: 26,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.06 : 29,542.92 = 17,803.87 : x
  2. Step 2: Convert to fraction form
    19,686.06/29,542.92 = 17,803.87/x
  3. Step 3: Cross multiply
    19,686.06x = 29,542.92 × 17,803.87
  4. Step 4: Simplify right side
    19,686.06x = 525,978,159.39
  5. Step 5: Solve for x
    x = 525,978,159.39/19,686.06
  6. Step 6: Final answer
    x = 26,718.31

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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.