Home / 16,639.28-22,962.26-9,085.68

Finding the Fourth Proportional to 16,639.28, 22,962.26 and 9,085.68

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Solution

The fourth proportional to 16,639.28, 22,962.26 and 9,085.68 is: 12,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.28 : 22,962.26 = 9,085.68 : x
  2. Step 2: Convert to fraction form
    16,639.28/22,962.26 = 9,085.68/x
  3. Step 3: Cross multiply
    16,639.28x = 22,962.26 × 9,085.68
  4. Step 4: Simplify right side
    16,639.28x = 208,627,746.44
  5. Step 5: Solve for x
    x = 208,627,746.44/16,639.28
  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.