Home / 19,269.36-26,559.90-12,893.67

Finding the Fourth Proportional to 19,269.36, 26,559.90 and 12,893.67

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Solution

The fourth proportional to 19,269.36, 26,559.90 and 12,893.67 is: 17,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.36 : 26,559.90 = 12,893.67 : x
  2. Step 2: Convert to fraction form
    19,269.36/26,559.90 = 12,893.67/x
  3. Step 3: Cross multiply
    19,269.36x = 26,559.90 × 12,893.67
  4. Step 4: Simplify right side
    19,269.36x = 342,454,585.83
  5. Step 5: Solve for x
    x = 342,454,585.83/19,269.36
  6. Step 6: Final answer
    x = 17,771.98

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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.