Home / 13,793.34-19,023.72-9,012.90

Finding the Fourth Proportional to 13,793.34, 19,023.72 and 9,012.90

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Solution

The fourth proportional to 13,793.34, 19,023.72 and 9,012.90 is: 12,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.34 : 19,023.72 = 9,012.90 : x
  2. Step 2: Convert to fraction form
    13,793.34/19,023.72 = 9,012.90/x
  3. Step 3: Cross multiply
    13,793.34x = 19,023.72 × 9,012.90
  4. Step 4: Simplify right side
    13,793.34x = 171,458,885.99
  5. Step 5: Solve for x
    x = 171,458,885.99/13,793.34
  6. Step 6: Final answer
    x = 12,430.56

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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.