Home / 18,254.89-25,191.49-10,299.67

Finding the Fourth Proportional to 18,254.89, 25,191.49 and 10,299.67

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Solution

The fourth proportional to 18,254.89, 25,191.49 and 10,299.67 is: 14,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.89 : 25,191.49 = 10,299.67 : x
  2. Step 2: Convert to fraction form
    18,254.89/25,191.49 = 10,299.67/x
  3. Step 3: Cross multiply
    18,254.89x = 25,191.49 × 10,299.67
  4. Step 4: Simplify right side
    18,254.89x = 259,464,033.81
  5. Step 5: Solve for x
    x = 259,464,033.81/18,254.89
  6. Step 6: Final answer
    x = 14,213.40

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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.