Home / 19,276.16-28,915.65-8,181.59

Finding the Fourth Proportional to 19,276.16, 28,915.65 and 8,181.59

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Solution

The fourth proportional to 19,276.16, 28,915.65 and 8,181.59 is: 12,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.16 : 28,915.65 = 8,181.59 : x
  2. Step 2: Convert to fraction form
    19,276.16/28,915.65 = 8,181.59/x
  3. Step 3: Cross multiply
    19,276.16x = 28,915.65 × 8,181.59
  4. Step 4: Simplify right side
    19,276.16x = 236,575,848.31
  5. Step 5: Solve for x
    x = 236,575,848.31/19,276.16
  6. Step 6: Final answer
    x = 12,272.98

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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.