Home / 19,162.28-26,436.60-14,138.49

Finding the Fourth Proportional to 19,162.28, 26,436.60 and 14,138.49

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Solution

The fourth proportional to 19,162.28, 26,436.60 and 14,138.49 is: 19,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.28 : 26,436.60 = 14,138.49 : x
  2. Step 2: Convert to fraction form
    19,162.28/26,436.60 = 14,138.49/x
  3. Step 3: Cross multiply
    19,162.28x = 26,436.60 × 14,138.49
  4. Step 4: Simplify right side
    19,162.28x = 373,773,472.55
  5. Step 5: Solve for x
    x = 373,773,472.55/19,162.28
  6. Step 6: Final answer
    x = 19,505.69

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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.