Home / 22,607.66-31,195.68-12,536.03

Finding the Fourth Proportional to 22,607.66, 31,195.68 and 12,536.03

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Solution

The fourth proportional to 22,607.66, 31,195.68 and 12,536.03 is: 17,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.66 : 31,195.68 = 12,536.03 : x
  2. Step 2: Convert to fraction form
    22,607.66/31,195.68 = 12,536.03/x
  3. Step 3: Cross multiply
    22,607.66x = 31,195.68 × 12,536.03
  4. Step 4: Simplify right side
    22,607.66x = 391,069,980.35
  5. Step 5: Solve for x
    x = 391,069,980.35/22,607.66
  6. Step 6: Final answer
    x = 17,298.12

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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.