Home / 19,154.86-26,436.85-11,195.53

Finding the Fourth Proportional to 19,154.86, 26,436.85 and 11,195.53

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Solution

The fourth proportional to 19,154.86, 26,436.85 and 11,195.53 is: 15,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.86 : 26,436.85 = 11,195.53 : x
  2. Step 2: Convert to fraction form
    19,154.86/26,436.85 = 11,195.53/x
  3. Step 3: Cross multiply
    19,154.86x = 26,436.85 × 11,195.53
  4. Step 4: Simplify right side
    19,154.86x = 295,974,453.20
  5. Step 5: Solve for x
    x = 295,974,453.20/19,154.86
  6. Step 6: Final answer
    x = 15,451.67

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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.