Home / 25,054.71-34,575.99-13,724.21

Finding the Fourth Proportional to 25,054.71, 34,575.99 and 13,724.21

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Solution

The fourth proportional to 25,054.71, 34,575.99 and 13,724.21 is: 18,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,054.71 : 34,575.99 = 13,724.21 : x
  2. Step 2: Convert to fraction form
    25,054.71/34,575.99 = 13,724.21/x
  3. Step 3: Cross multiply
    25,054.71x = 34,575.99 × 13,724.21
  4. Step 4: Simplify right side
    25,054.71x = 474,527,974.84
  5. Step 5: Solve for x
    x = 474,527,974.84/25,054.71
  6. Step 6: Final answer
    x = 18,939.67

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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.