Home / 10,925.91-16,401.87-10,480.32

Finding the Fourth Proportional to 10,925.91, 16,401.87 and 10,480.32

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Solution

The fourth proportional to 10,925.91, 16,401.87 and 10,480.32 is: 15,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.91 : 16,401.87 = 10,480.32 : x
  2. Step 2: Convert to fraction form
    10,925.91/16,401.87 = 10,480.32/x
  3. Step 3: Cross multiply
    10,925.91x = 16,401.87 × 10,480.32
  4. Step 4: Simplify right side
    10,925.91x = 171,896,846.20
  5. Step 5: Solve for x
    x = 171,896,846.20/10,925.91
  6. Step 6: Final answer
    x = 15,732.95

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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.