Home / 16,329.69-22,531.32-9,615.60

Finding the Fourth Proportional to 16,329.69, 22,531.32 and 9,615.60

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Solution

The fourth proportional to 16,329.69, 22,531.32 and 9,615.60 is: 13,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.69 : 22,531.32 = 9,615.60 : x
  2. Step 2: Convert to fraction form
    16,329.69/22,531.32 = 9,615.60/x
  3. Step 3: Cross multiply
    16,329.69x = 22,531.32 × 9,615.60
  4. Step 4: Simplify right side
    16,329.69x = 216,652,160.59
  5. Step 5: Solve for x
    x = 216,652,160.59/16,329.69
  6. Step 6: Final answer
    x = 13,267.38

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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.