Home / 22,374.72-30,877.79-12,302.64

Finding the Fourth Proportional to 22,374.72, 30,877.79 and 12,302.64

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Solution

The fourth proportional to 22,374.72, 30,877.79 and 12,302.64 is: 16,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.72 : 30,877.79 = 12,302.64 : x
  2. Step 2: Convert to fraction form
    22,374.72/30,877.79 = 12,302.64/x
  3. Step 3: Cross multiply
    22,374.72x = 30,877.79 × 12,302.64
  4. Step 4: Simplify right side
    22,374.72x = 379,878,272.85
  5. Step 5: Solve for x
    x = 379,878,272.85/22,374.72
  6. Step 6: Final answer
    x = 16,978.01

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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.