Home / 21,590.97-32,346.99-15,653.14

Finding the Fourth Proportional to 21,590.97, 32,346.99 and 15,653.14

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Solution

The fourth proportional to 21,590.97, 32,346.99 and 15,653.14 is: 23,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.97 : 32,346.99 = 15,653.14 : x
  2. Step 2: Convert to fraction form
    21,590.97/32,346.99 = 15,653.14/x
  3. Step 3: Cross multiply
    21,590.97x = 32,346.99 × 15,653.14
  4. Step 4: Simplify right side
    21,590.97x = 506,331,963.05
  5. Step 5: Solve for x
    x = 506,331,963.05/21,590.97
  6. Step 6: Final answer
    x = 23,451.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.