Home / 13,178.03-19,768.42-4,294.05

Finding the Fourth Proportional to 13,178.03, 19,768.42 and 4,294.05

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Solution

The fourth proportional to 13,178.03, 19,768.42 and 4,294.05 is: 6,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.03 : 19,768.42 = 4,294.05 : x
  2. Step 2: Convert to fraction form
    13,178.03/19,768.42 = 4,294.05/x
  3. Step 3: Cross multiply
    13,178.03x = 19,768.42 × 4,294.05
  4. Step 4: Simplify right side
    13,178.03x = 84,886,573.17
  5. Step 5: Solve for x
    x = 84,886,573.17/13,178.03
  6. Step 6: Final answer
    x = 6,441.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.