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Finding the Fourth Proportional to 18,373.95, 25,357.41 and 10,416.90

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Solution

The fourth proportional to 18,373.95, 25,357.41 and 10,416.90 is: 14,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.95 : 25,357.41 = 10,416.90 : x
  2. Step 2: Convert to fraction form
    18,373.95/25,357.41 = 10,416.90/x
  3. Step 3: Cross multiply
    18,373.95x = 25,357.41 × 10,416.90
  4. Step 4: Simplify right side
    18,373.95x = 264,145,604.23
  5. Step 5: Solve for x
    x = 264,145,604.23/18,373.95
  6. Step 6: Final answer
    x = 14,376.09

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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.