Home / 15,607.43-21,536.49-9,234.22

Finding the Fourth Proportional to 15,607.43, 21,536.49 and 9,234.22

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Solution

The fourth proportional to 15,607.43, 21,536.49 and 9,234.22 is: 12,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.43 : 21,536.49 = 9,234.22 : x
  2. Step 2: Convert to fraction form
    15,607.43/21,536.49 = 9,234.22/x
  3. Step 3: Cross multiply
    15,607.43x = 21,536.49 × 9,234.22
  4. Step 4: Simplify right side
    15,607.43x = 198,872,579.01
  5. Step 5: Solve for x
    x = 198,872,579.01/15,607.43
  6. Step 6: Final answer
    x = 12,742.17

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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.