Home / 25,611.45-35,343.65-14,281.08

Finding the Fourth Proportional to 25,611.45, 35,343.65 and 14,281.08

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Solution

The fourth proportional to 25,611.45, 35,343.65 and 14,281.08 is: 19,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.45 : 35,343.65 = 14,281.08 : x
  2. Step 2: Convert to fraction form
    25,611.45/35,343.65 = 14,281.08/x
  3. Step 3: Cross multiply
    25,611.45x = 35,343.65 × 14,281.08
  4. Step 4: Simplify right side
    25,611.45x = 504,745,654.35
  5. Step 5: Solve for x
    x = 504,745,654.35/25,611.45
  6. Step 6: Final answer
    x = 19,707.81

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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.