Home / 17,155.12-25,732.80-16,411.60

Finding the Fourth Proportional to 17,155.12, 25,732.80 and 16,411.60

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Solution

The fourth proportional to 17,155.12, 25,732.80 and 16,411.60 is: 24,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.12 : 25,732.80 = 16,411.60 : x
  2. Step 2: Convert to fraction form
    17,155.12/25,732.80 = 16,411.60/x
  3. Step 3: Cross multiply
    17,155.12x = 25,732.80 × 16,411.60
  4. Step 4: Simplify right side
    17,155.12x = 422,316,420.48
  5. Step 5: Solve for x
    x = 422,316,420.48/17,155.12
  6. Step 6: Final answer
    x = 24,617.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.