Home / 25,390.38-35,033.84-16,436.64

Finding the Fourth Proportional to 25,390.38, 35,033.84 and 16,436.64

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Solution

The fourth proportional to 25,390.38, 35,033.84 and 16,436.64 is: 22,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.38 : 35,033.84 = 16,436.64 : x
  2. Step 2: Convert to fraction form
    25,390.38/35,033.84 = 16,436.64/x
  3. Step 3: Cross multiply
    25,390.38x = 35,033.84 × 16,436.64
  4. Step 4: Simplify right side
    25,390.38x = 575,838,615.90
  5. Step 5: Solve for x
    x = 575,838,615.90/25,390.38
  6. Step 6: Final answer
    x = 22,679.40

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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.