Home / 10,639.33-16,039.25-9,925.99

Finding the Fourth Proportional to 10,639.33, 16,039.25 and 9,925.99

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Solution

The fourth proportional to 10,639.33, 16,039.25 and 9,925.99 is: 14,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.33 : 16,039.25 = 9,925.99 : x
  2. Step 2: Convert to fraction form
    10,639.33/16,039.25 = 9,925.99/x
  3. Step 3: Cross multiply
    10,639.33x = 16,039.25 × 9,925.99
  4. Step 4: Simplify right side
    10,639.33x = 159,205,435.11
  5. Step 5: Solve for x
    x = 159,205,435.11/10,639.33
  6. Step 6: Final answer
    x = 14,963.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.