Home / 25,216.11-34,796.81-13,885.16

Finding the Fourth Proportional to 25,216.11, 34,796.81 and 13,885.16

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Solution

The fourth proportional to 25,216.11, 34,796.81 and 13,885.16 is: 19,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.11 : 34,796.81 = 13,885.16 : x
  2. Step 2: Convert to fraction form
    25,216.11/34,796.81 = 13,885.16/x
  3. Step 3: Cross multiply
    25,216.11x = 34,796.81 × 13,885.16
  4. Step 4: Simplify right side
    25,216.11x = 483,159,135.07
  5. Step 5: Solve for x
    x = 483,159,135.07/25,216.11
  6. Step 6: Final answer
    x = 19,160.73

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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.