Home / 18,366.55-25,345.74-10,408.57

Finding the Fourth Proportional to 18,366.55, 25,345.74 and 10,408.57

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Solution

The fourth proportional to 18,366.55, 25,345.74 and 10,408.57 is: 14,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.55 : 25,345.74 = 10,408.57 : x
  2. Step 2: Convert to fraction form
    18,366.55/25,345.74 = 10,408.57/x
  3. Step 3: Cross multiply
    18,366.55x = 25,345.74 × 10,408.57
  4. Step 4: Simplify right side
    18,366.55x = 263,812,908.99
  5. Step 5: Solve for x
    x = 263,812,908.99/18,366.55
  6. Step 6: Final answer
    x = 14,363.77

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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.