Home / 13,891.23-20,832.51-4,655.07

Finding the Fourth Proportional to 13,891.23, 20,832.51 and 4,655.07

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Solution

The fourth proportional to 13,891.23, 20,832.51 and 4,655.07 is: 6,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.23 : 20,832.51 = 4,655.07 : x
  2. Step 2: Convert to fraction form
    13,891.23/20,832.51 = 4,655.07/x
  3. Step 3: Cross multiply
    13,891.23x = 20,832.51 × 4,655.07
  4. Step 4: Simplify right side
    13,891.23x = 96,976,792.33
  5. Step 5: Solve for x
    x = 96,976,792.33/13,891.23
  6. Step 6: Final answer
    x = 6,981.15

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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.