Home / 15,607.17-23,390.51-11,895.75

Finding the Fourth Proportional to 15,607.17, 23,390.51 and 11,895.75

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Solution

The fourth proportional to 15,607.17, 23,390.51 and 11,895.75 is: 17,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.17 : 23,390.51 = 11,895.75 : x
  2. Step 2: Convert to fraction form
    15,607.17/23,390.51 = 11,895.75/x
  3. Step 3: Cross multiply
    15,607.17x = 23,390.51 × 11,895.75
  4. Step 4: Simplify right side
    15,607.17x = 278,247,599.85
  5. Step 5: Solve for x
    x = 278,247,599.85/15,607.17
  6. Step 6: Final answer
    x = 17,828.19

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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.