Home / 19,372.76-26,744.28-13,711.94

Finding the Fourth Proportional to 19,372.76, 26,744.28 and 13,711.94

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Solution

The fourth proportional to 19,372.76, 26,744.28 and 13,711.94 is: 18,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.76 : 26,744.28 = 13,711.94 : x
  2. Step 2: Convert to fraction form
    19,372.76/26,744.28 = 13,711.94/x
  3. Step 3: Cross multiply
    19,372.76x = 26,744.28 × 13,711.94
  4. Step 4: Simplify right side
    19,372.76x = 366,715,962.70
  5. Step 5: Solve for x
    x = 366,715,962.70/19,372.76
  6. Step 6: Final answer
    x = 18,929.46

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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.