Home / 13,023.12-19,510.20-6,441.60

Finding the Fourth Proportional to 13,023.12, 19,510.20 and 6,441.60

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Solution

The fourth proportional to 13,023.12, 19,510.20 and 6,441.60 is: 9,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.12 : 19,510.20 = 6,441.60 : x
  2. Step 2: Convert to fraction form
    13,023.12/19,510.20 = 6,441.60/x
  3. Step 3: Cross multiply
    13,023.12x = 19,510.20 × 6,441.60
  4. Step 4: Simplify right side
    13,023.12x = 125,676,904.32
  5. Step 5: Solve for x
    x = 125,676,904.32/13,023.12
  6. Step 6: Final answer
    x = 9,650.29

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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.