Home / 25,550.88-38,313.36-11,688

Finding the Fourth Proportional to 25,550.88, 38,313.36 and 11,688

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Solution

The fourth proportional to 25,550.88, 38,313.36 and 11,688 is: 17,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.88 : 38,313.36 = 11,688 : x
  2. Step 2: Convert to fraction form
    25,550.88/38,313.36 = 11,688/x
  3. Step 3: Cross multiply
    25,550.88x = 38,313.36 × 11,688
  4. Step 4: Simplify right side
    25,550.88x = 447,806,551.68
  5. Step 5: Solve for x
    x = 447,806,551.68/25,550.88
  6. Step 6: Final answer
    x = 17,526.07

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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.