Home / 25,231.51-34,819.32-13,900.74

Finding the Fourth Proportional to 25,231.51, 34,819.32 and 13,900.74

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Solution

The fourth proportional to 25,231.51, 34,819.32 and 13,900.74 is: 19,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.51 : 34,819.32 = 13,900.74 : x
  2. Step 2: Convert to fraction form
    25,231.51/34,819.32 = 13,900.74/x
  3. Step 3: Cross multiply
    25,231.51x = 34,819.32 × 13,900.74
  4. Step 4: Simplify right side
    25,231.51x = 484,014,216.49
  5. Step 5: Solve for x
    x = 484,014,216.49/25,231.51
  6. Step 6: Final answer
    x = 19,182.93

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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.