Home / 19,423.98-26,791.20-19,132.38

Finding the Fourth Proportional to 19,423.98, 26,791.20 and 19,132.38

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Solution

The fourth proportional to 19,423.98, 26,791.20 and 19,132.38 is: 26,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.98 : 26,791.20 = 19,132.38 : x
  2. Step 2: Convert to fraction form
    19,423.98/26,791.20 = 19,132.38/x
  3. Step 3: Cross multiply
    19,423.98x = 26,791.20 × 19,132.38
  4. Step 4: Simplify right side
    19,423.98x = 512,579,419.06
  5. Step 5: Solve for x
    x = 512,579,419.06/19,423.98
  6. Step 6: Final answer
    x = 26,389.00

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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.