Home / 19,455.44-26,867.40-16,644.56

Finding the Fourth Proportional to 19,455.44, 26,867.40 and 16,644.56

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Solution

The fourth proportional to 19,455.44, 26,867.40 and 16,644.56 is: 22,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.44 : 26,867.40 = 16,644.56 : x
  2. Step 2: Convert to fraction form
    19,455.44/26,867.40 = 16,644.56/x
  3. Step 3: Cross multiply
    19,455.44x = 26,867.40 × 16,644.56
  4. Step 4: Simplify right side
    19,455.44x = 447,196,051.34
  5. Step 5: Solve for x
    x = 447,196,051.34/19,455.44
  6. Step 6: Final answer
    x = 22,985.66

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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.