Home / 25,223.12-34,808.14-13,892.65

Finding the Fourth Proportional to 25,223.12, 34,808.14 and 13,892.65

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Solution

The fourth proportional to 25,223.12, 34,808.14 and 13,892.65 is: 19,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.12 : 34,808.14 = 13,892.65 : x
  2. Step 2: Convert to fraction form
    25,223.12/34,808.14 = 13,892.65/x
  3. Step 3: Cross multiply
    25,223.12x = 34,808.14 × 13,892.65
  4. Step 4: Simplify right side
    25,223.12x = 483,577,383.50
  5. Step 5: Solve for x
    x = 483,577,383.50/25,223.12
  6. Step 6: Final answer
    x = 19,171.99

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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.