Home / 25,609.10-38,417.49-8,078.67

Finding the Fourth Proportional to 25,609.10, 38,417.49 and 8,078.67

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Solution

The fourth proportional to 25,609.10, 38,417.49 and 8,078.67 is: 12,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.10 : 38,417.49 = 8,078.67 : x
  2. Step 2: Convert to fraction form
    25,609.10/38,417.49 = 8,078.67/x
  3. Step 3: Cross multiply
    25,609.10x = 38,417.49 × 8,078.67
  4. Step 4: Simplify right side
    25,609.10x = 310,362,223.94
  5. Step 5: Solve for x
    x = 310,362,223.94/25,609.10
  6. Step 6: Final answer
    x = 12,119.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.