Home / 19,686.66-27,109.53-17,590.02

Finding the Fourth Proportional to 19,686.66, 27,109.53 and 17,590.02

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Solution

The fourth proportional to 19,686.66, 27,109.53 and 17,590.02 is: 24,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.66 : 27,109.53 = 17,590.02 : x
  2. Step 2: Convert to fraction form
    19,686.66/27,109.53 = 17,590.02/x
  3. Step 3: Cross multiply
    19,686.66x = 27,109.53 × 17,590.02
  4. Step 4: Simplify right side
    19,686.66x = 476,857,174.89
  5. Step 5: Solve for x
    x = 476,857,174.89/19,686.66
  6. Step 6: Final answer
    x = 24,222.35

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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.