Home / 25,357.68-34,991.46-15,148.44

Finding the Fourth Proportional to 25,357.68, 34,991.46 and 15,148.44

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Solution

The fourth proportional to 25,357.68, 34,991.46 and 15,148.44 is: 20,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.68 : 34,991.46 = 15,148.44 : x
  2. Step 2: Convert to fraction form
    25,357.68/34,991.46 = 15,148.44/x
  3. Step 3: Cross multiply
    25,357.68x = 34,991.46 × 15,148.44
  4. Step 4: Simplify right side
    25,357.68x = 530,066,032.32
  5. Step 5: Solve for x
    x = 530,066,032.32/25,357.68
  6. Step 6: Final answer
    x = 20,903.57

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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.