Home / 25,435.20-35,090.88-16,479.52

Finding the Fourth Proportional to 25,435.20, 35,090.88 and 16,479.52

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Solution

The fourth proportional to 25,435.20, 35,090.88 and 16,479.52 is: 22,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.20 : 35,090.88 = 16,479.52 : x
  2. Step 2: Convert to fraction form
    25,435.20/35,090.88 = 16,479.52/x
  3. Step 3: Cross multiply
    25,435.20x = 35,090.88 × 16,479.52
  4. Step 4: Simplify right side
    25,435.20x = 578,280,858.78
  5. Step 5: Solve for x
    x = 578,280,858.78/25,435.20
  6. Step 6: Final answer
    x = 22,735.46

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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.