Home / 19,465.82-26,830.57-13,793.30

Finding the Fourth Proportional to 19,465.82, 26,830.57 and 13,793.30

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Solution

The fourth proportional to 19,465.82, 26,830.57 and 13,793.30 is: 19,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.82 : 26,830.57 = 13,793.30 : x
  2. Step 2: Convert to fraction form
    19,465.82/26,830.57 = 13,793.30/x
  3. Step 3: Cross multiply
    19,465.82x = 26,830.57 × 13,793.30
  4. Step 4: Simplify right side
    19,465.82x = 370,082,101.18
  5. Step 5: Solve for x
    x = 370,082,101.18/19,465.82
  6. Step 6: Final answer
    x = 19,011.89

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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.