Home / 25,611.40-35,343.78-14,998.92

Finding the Fourth Proportional to 25,611.40, 35,343.78 and 14,998.92

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Solution

The fourth proportional to 25,611.40, 35,343.78 and 14,998.92 is: 20,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.40 : 35,343.78 = 14,998.92 : x
  2. Step 2: Convert to fraction form
    25,611.40/35,343.78 = 14,998.92/x
  3. Step 3: Cross multiply
    25,611.40x = 35,343.78 × 14,998.92
  4. Step 4: Simplify right side
    25,611.40x = 530,118,528.72
  5. Step 5: Solve for x
    x = 530,118,528.72/25,611.40
  6. Step 6: Final answer
    x = 20,698.54

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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.