Home / 13,025.89-19,536.80-4,140.06

Finding the Fourth Proportional to 13,025.89, 19,536.80 and 4,140.06

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Solution

The fourth proportional to 13,025.89, 19,536.80 and 4,140.06 is: 6,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.89 : 19,536.80 = 4,140.06 : x
  2. Step 2: Convert to fraction form
    13,025.89/19,536.80 = 4,140.06/x
  3. Step 3: Cross multiply
    13,025.89x = 19,536.80 × 4,140.06
  4. Step 4: Simplify right side
    13,025.89x = 80,883,430.24
  5. Step 5: Solve for x
    x = 80,883,430.24/13,025.89
  6. Step 6: Final answer
    x = 6,209.44

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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.