Home / 19,801.08-27,359.69-19,091.66

Finding the Fourth Proportional to 19,801.08, 27,359.69 and 19,091.66

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Solution

The fourth proportional to 19,801.08, 27,359.69 and 19,091.66 is: 26,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.08 : 27,359.69 = 19,091.66 : x
  2. Step 2: Convert to fraction form
    19,801.08/27,359.69 = 19,091.66/x
  3. Step 3: Cross multiply
    19,801.08x = 27,359.69 × 19,091.66
  4. Step 4: Simplify right side
    19,801.08x = 522,341,666.93
  5. Step 5: Solve for x
    x = 522,341,666.93/19,801.08
  6. Step 6: Final answer
    x = 26,379.45

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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.