Home / 20,046.90-27,667.65-11,547.37

Finding the Fourth Proportional to 20,046.90, 27,667.65 and 11,547.37

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Solution

The fourth proportional to 20,046.90, 27,667.65 and 11,547.37 is: 15,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.90 : 27,667.65 = 11,547.37 : x
  2. Step 2: Convert to fraction form
    20,046.90/27,667.65 = 11,547.37/x
  3. Step 3: Cross multiply
    20,046.90x = 27,667.65 × 11,547.37
  4. Step 4: Simplify right side
    20,046.90x = 319,488,522.41
  5. Step 5: Solve for x
    x = 319,488,522.41/20,046.90
  6. Step 6: Final answer
    x = 15,937.05

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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.