Home / 25,618.28-35,361.11-15,011.33

Finding the Fourth Proportional to 25,618.28, 35,361.11 and 15,011.33

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Solution

The fourth proportional to 25,618.28, 35,361.11 and 15,011.33 is: 20,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.28 : 35,361.11 = 15,011.33 : x
  2. Step 2: Convert to fraction form
    25,618.28/35,361.11 = 15,011.33/x
  3. Step 3: Cross multiply
    25,618.28x = 35,361.11 × 15,011.33
  4. Step 4: Simplify right side
    25,618.28x = 530,817,216.32
  5. Step 5: Solve for x
    x = 530,817,216.32/25,618.28
  6. Step 6: Final answer
    x = 20,720.25

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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.