Home / 21,534.92-29,732.68-19,259.19

Finding the Fourth Proportional to 21,534.92, 29,732.68 and 19,259.19

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Solution

The fourth proportional to 21,534.92, 29,732.68 and 19,259.19 is: 26,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.92 : 29,732.68 = 19,259.19 : x
  2. Step 2: Convert to fraction form
    21,534.92/29,732.68 = 19,259.19/x
  3. Step 3: Cross multiply
    21,534.92x = 29,732.68 × 19,259.19
  4. Step 4: Simplify right side
    21,534.92x = 572,627,333.33
  5. Step 5: Solve for x
    x = 572,627,333.33/21,534.92
  6. Step 6: Final answer
    x = 26,590.64

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Half scale
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Double scale
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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.