Home / 25,436.72-38,155.08-11,576

Finding the Fourth Proportional to 25,436.72, 38,155.08 and 11,576

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Solution

The fourth proportional to 25,436.72, 38,155.08 and 11,576 is: 17,364

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.72 : 38,155.08 = 11,576 : x
  2. Step 2: Convert to fraction form
    25,436.72/38,155.08 = 11,576/x
  3. Step 3: Cross multiply
    25,436.72x = 38,155.08 × 11,576
  4. Step 4: Simplify right side
    25,436.72x = 441,683,206.08
  5. Step 5: Solve for x
    x = 441,683,206.08/25,436.72
  6. Step 6: Final answer
    x = 17,364

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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.