Home / 16,860.61-25,319.62-16,155.30

Finding the Fourth Proportional to 16,860.61, 25,319.62 and 16,155.30

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Solution

The fourth proportional to 16,860.61, 25,319.62 and 16,155.30 is: 24,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.61 : 25,319.62 = 16,155.30 : x
  2. Step 2: Convert to fraction form
    16,860.61/25,319.62 = 16,155.30/x
  3. Step 3: Cross multiply
    16,860.61x = 25,319.62 × 16,155.30
  4. Step 4: Simplify right side
    16,860.61x = 409,046,048.25
  5. Step 5: Solve for x
    x = 409,046,048.25/16,860.61
  6. Step 6: Final answer
    x = 24,260.46

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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.