Home / 15,928.53-23,893.40-8,128.23

Finding the Fourth Proportional to 15,928.53, 23,893.40 and 8,128.23

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Solution

The fourth proportional to 15,928.53, 23,893.40 and 8,128.23 is: 12,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.53 : 23,893.40 = 8,128.23 : x
  2. Step 2: Convert to fraction form
    15,928.53/23,893.40 = 8,128.23/x
  3. Step 3: Cross multiply
    15,928.53x = 23,893.40 × 8,128.23
  4. Step 4: Simplify right side
    15,928.53x = 194,211,071.00
  5. Step 5: Solve for x
    x = 194,211,071.00/15,928.53
  6. Step 6: Final answer
    x = 12,192.66

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.