Home / 25,520.81-35,206.45-16,571.12

Finding the Fourth Proportional to 25,520.81, 35,206.45 and 16,571.12

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Solution

The fourth proportional to 25,520.81, 35,206.45 and 16,571.12 is: 22,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.81 : 35,206.45 = 16,571.12 : x
  2. Step 2: Convert to fraction form
    25,520.81/35,206.45 = 16,571.12/x
  3. Step 3: Cross multiply
    25,520.81x = 35,206.45 × 16,571.12
  4. Step 4: Simplify right side
    25,520.81x = 583,410,090.26
  5. Step 5: Solve for x
    x = 583,410,090.26/25,520.81
  6. Step 6: Final answer
    x = 22,860.18

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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.