Home / 25,969.48-38,923.45-11,917.67

Finding the Fourth Proportional to 25,969.48, 38,923.45 and 11,917.67

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Solution

The fourth proportional to 25,969.48, 38,923.45 and 11,917.67 is: 17,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.48 : 38,923.45 = 11,917.67 : x
  2. Step 2: Convert to fraction form
    25,969.48/38,923.45 = 11,917.67/x
  3. Step 3: Cross multiply
    25,969.48x = 38,923.45 × 11,917.67
  4. Step 4: Simplify right side
    25,969.48x = 463,876,674.99
  5. Step 5: Solve for x
    x = 463,876,674.99/25,969.48
  6. Step 6: Final answer
    x = 17,862.38

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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.