Home / 19,156.89-26,436.64-11,197.53

Finding the Fourth Proportional to 19,156.89, 26,436.64 and 11,197.53

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Solution

The fourth proportional to 19,156.89, 26,436.64 and 11,197.53 is: 15,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.89 : 26,436.64 = 11,197.53 : x
  2. Step 2: Convert to fraction form
    19,156.89/26,436.64 = 11,197.53/x
  3. Step 3: Cross multiply
    19,156.89x = 26,436.64 × 11,197.53
  4. Step 4: Simplify right side
    19,156.89x = 296,025,069.50
  5. Step 5: Solve for x
    x = 296,025,069.50/19,156.89
  6. Step 6: Final answer
    x = 15,452.67

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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.