Home / 25,153.78-34,712.04-13,823.38

Finding the Fourth Proportional to 25,153.78, 34,712.04 and 13,823.38

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Solution

The fourth proportional to 25,153.78, 34,712.04 and 13,823.38 is: 19,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.78 : 34,712.04 = 13,823.38 : x
  2. Step 2: Convert to fraction form
    25,153.78/34,712.04 = 13,823.38/x
  3. Step 3: Cross multiply
    25,153.78x = 34,712.04 × 13,823.38
  4. Step 4: Simplify right side
    25,153.78x = 479,837,719.50
  5. Step 5: Solve for x
    x = 479,837,719.50/25,153.78
  6. Step 6: Final answer
    x = 19,076.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.