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Finding the Fourth Proportional to 18,294.34, 25,223.25 and 14,933.74

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Solution

The fourth proportional to 18,294.34, 25,223.25 and 14,933.74 is: 20,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.34 : 25,223.25 = 14,933.74 : x
  2. Step 2: Convert to fraction form
    18,294.34/25,223.25 = 14,933.74/x
  3. Step 3: Cross multiply
    18,294.34x = 25,223.25 × 14,933.74
  4. Step 4: Simplify right side
    18,294.34x = 376,677,457.46
  5. Step 5: Solve for x
    x = 376,677,457.46/18,294.34
  6. Step 6: Final answer
    x = 20,589.84

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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.