Home / 22,678.08-31,294.80-12,606.66

Finding the Fourth Proportional to 22,678.08, 31,294.80 and 12,606.66

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Solution

The fourth proportional to 22,678.08, 31,294.80 and 12,606.66 is: 17,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.08 : 31,294.80 = 12,606.66 : x
  2. Step 2: Convert to fraction form
    22,678.08/31,294.80 = 12,606.66/x
  3. Step 3: Cross multiply
    22,678.08x = 31,294.80 × 12,606.66
  4. Step 4: Simplify right side
    22,678.08x = 394,522,903.37
  5. Step 5: Solve for x
    x = 394,522,903.37/22,678.08
  6. Step 6: Final answer
    x = 17,396.66

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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.