Home / 25,430.09-38,139.92-9,629.67

Finding the Fourth Proportional to 25,430.09, 38,139.92 and 9,629.67

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Solution

The fourth proportional to 25,430.09, 38,139.92 and 9,629.67 is: 14,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.09 : 38,139.92 = 9,629.67 : x
  2. Step 2: Convert to fraction form
    25,430.09/38,139.92 = 9,629.67/x
  3. Step 3: Cross multiply
    25,430.09x = 38,139.92 × 9,629.67
  4. Step 4: Simplify right side
    25,430.09x = 367,274,843.43
  5. Step 5: Solve for x
    x = 367,274,843.43/25,430.09
  6. Step 6: Final answer
    x = 14,442.53

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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.