Home / 18,474.14-25,495.16-10,518.05

Finding the Fourth Proportional to 18,474.14, 25,495.16 and 10,518.05

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Solution

The fourth proportional to 18,474.14, 25,495.16 and 10,518.05 is: 14,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.14 : 25,495.16 = 10,518.05 : x
  2. Step 2: Convert to fraction form
    18,474.14/25,495.16 = 10,518.05/x
  3. Step 3: Cross multiply
    18,474.14x = 25,495.16 × 10,518.05
  4. Step 4: Simplify right side
    18,474.14x = 268,159,378.79
  5. Step 5: Solve for x
    x = 268,159,378.79/18,474.14
  6. Step 6: Final answer
    x = 14,515.39

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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.