Home / 16,639.81-22,962.56-9,085.85

Finding the Fourth Proportional to 16,639.81, 22,962.56 and 9,085.85

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Solution

The fourth proportional to 16,639.81, 22,962.56 and 9,085.85 is: 12,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.81 : 22,962.56 = 9,085.85 : x
  2. Step 2: Convert to fraction form
    16,639.81/22,962.56 = 9,085.85/x
  3. Step 3: Cross multiply
    16,639.81x = 22,962.56 × 9,085.85
  4. Step 4: Simplify right side
    16,639.81x = 208,634,375.78
  5. Step 5: Solve for x
    x = 208,634,375.78/16,639.81
  6. Step 6: Final answer
    x = 12,538.27

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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.