Home / 18,970.64-26,192.44-12,272.48

Finding the Fourth Proportional to 18,970.64, 26,192.44 and 12,272.48

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Solution

The fourth proportional to 18,970.64, 26,192.44 and 12,272.48 is: 16,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.64 : 26,192.44 = 12,272.48 : x
  2. Step 2: Convert to fraction form
    18,970.64/26,192.44 = 12,272.48/x
  3. Step 3: Cross multiply
    18,970.64x = 26,192.44 × 12,272.48
  4. Step 4: Simplify right side
    18,970.64x = 321,446,196.05
  5. Step 5: Solve for x
    x = 321,446,196.05/18,970.64
  6. Step 6: Final answer
    x = 16,944.40

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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.