Home / 25,561.38-38,329.08-11,698.50

Finding the Fourth Proportional to 25,561.38, 38,329.08 and 11,698.50

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Solution

The fourth proportional to 25,561.38, 38,329.08 and 11,698.50 is: 17,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.38 : 38,329.08 = 11,698.50 : x
  2. Step 2: Convert to fraction form
    25,561.38/38,329.08 = 11,698.50/x
  3. Step 3: Cross multiply
    25,561.38x = 38,329.08 × 11,698.50
  4. Step 4: Simplify right side
    25,561.38x = 448,392,742.38
  5. Step 5: Solve for x
    x = 448,392,742.38/25,561.38
  6. Step 6: Final answer
    x = 17,541.80

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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.