Home / 19,973.78-27,567.42-11,590.28

Finding the Fourth Proportional to 19,973.78, 27,567.42 and 11,590.28

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Solution

The fourth proportional to 19,973.78, 27,567.42 and 11,590.28 is: 15,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.78 : 27,567.42 = 11,590.28 : x
  2. Step 2: Convert to fraction form
    19,973.78/27,567.42 = 11,590.28/x
  3. Step 3: Cross multiply
    19,973.78x = 27,567.42 × 11,590.28
  4. Step 4: Simplify right side
    19,973.78x = 319,514,116.68
  5. Step 5: Solve for x
    x = 319,514,116.68/19,973.78
  6. Step 6: Final answer
    x = 15,996.68

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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.