Home / 16,915.92-23,341.80-9,843.36

Finding the Fourth Proportional to 16,915.92, 23,341.80 and 9,843.36

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Solution

The fourth proportional to 16,915.92, 23,341.80 and 9,843.36 is: 13,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.92 : 23,341.80 = 9,843.36 : x
  2. Step 2: Convert to fraction form
    16,915.92/23,341.80 = 9,843.36/x
  3. Step 3: Cross multiply
    16,915.92x = 23,341.80 × 9,843.36
  4. Step 4: Simplify right side
    16,915.92x = 229,761,740.45
  5. Step 5: Solve for x
    x = 229,761,740.45/16,915.92
  6. Step 6: Final answer
    x = 13,582.57

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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.