Home / 25,297.84-34,908.60-14,120.56

Finding the Fourth Proportional to 25,297.84, 34,908.60 and 14,120.56

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Solution

The fourth proportional to 25,297.84, 34,908.60 and 14,120.56 is: 19,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.84 : 34,908.60 = 14,120.56 : x
  2. Step 2: Convert to fraction form
    25,297.84/34,908.60 = 14,120.56/x
  3. Step 3: Cross multiply
    25,297.84x = 34,908.60 × 14,120.56
  4. Step 4: Simplify right side
    25,297.84x = 492,928,980.82
  5. Step 5: Solve for x
    x = 492,928,980.82/25,297.84
  6. Step 6: Final answer
    x = 19,485.02

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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.