Home / 18,806.49-25,952.89-10,308.67

Finding the Fourth Proportional to 18,806.49, 25,952.89 and 10,308.67

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Solution

The fourth proportional to 18,806.49, 25,952.89 and 10,308.67 is: 14,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.49 : 25,952.89 = 10,308.67 : x
  2. Step 2: Convert to fraction form
    18,806.49/25,952.89 = 10,308.67/x
  3. Step 3: Cross multiply
    18,806.49x = 25,952.89 × 10,308.67
  4. Step 4: Simplify right side
    18,806.49x = 267,539,750.72
  5. Step 5: Solve for x
    x = 267,539,750.72/18,806.49
  6. Step 6: Final answer
    x = 14,225.93

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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.