Home / 25,247.79-34,842.20-13,917.51

Finding the Fourth Proportional to 25,247.79, 34,842.20 and 13,917.51

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Solution

The fourth proportional to 25,247.79, 34,842.20 and 13,917.51 is: 19,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.79 : 34,842.20 = 13,917.51 : x
  2. Step 2: Convert to fraction form
    25,247.79/34,842.20 = 13,917.51/x
  3. Step 3: Cross multiply
    25,247.79x = 34,842.20 × 13,917.51
  4. Step 4: Simplify right side
    25,247.79x = 484,916,597.33
  5. Step 5: Solve for x
    x = 484,916,597.33/25,247.79
  6. Step 6: Final answer
    x = 19,206.30

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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.