Home / 18,926.47-26,118.58-11,372.93

Finding the Fourth Proportional to 18,926.47, 26,118.58 and 11,372.93

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Solution

The fourth proportional to 18,926.47, 26,118.58 and 11,372.93 is: 15,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.47 : 26,118.58 = 11,372.93 : x
  2. Step 2: Convert to fraction form
    18,926.47/26,118.58 = 11,372.93/x
  3. Step 3: Cross multiply
    18,926.47x = 26,118.58 × 11,372.93
  4. Step 4: Simplify right side
    18,926.47x = 297,044,782.04
  5. Step 5: Solve for x
    x = 297,044,782.04/18,926.47
  6. Step 6: Final answer
    x = 15,694.67

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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.