Home / 19,421.56-26,791.24-16,044.40

Finding the Fourth Proportional to 19,421.56, 26,791.24 and 16,044.40

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Solution

The fourth proportional to 19,421.56, 26,791.24 and 16,044.40 is: 22,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.56 : 26,791.24 = 16,044.40 : x
  2. Step 2: Convert to fraction form
    19,421.56/26,791.24 = 16,044.40/x
  3. Step 3: Cross multiply
    19,421.56x = 26,791.24 × 16,044.40
  4. Step 4: Simplify right side
    19,421.56x = 429,849,156.88
  5. Step 5: Solve for x
    x = 429,849,156.88/19,421.56
  6. Step 6: Final answer
    x = 22,132.58

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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.