Home / 13,025.72-17,971.20-7,359.77

Finding the Fourth Proportional to 13,025.72, 17,971.20 and 7,359.77

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Solution

The fourth proportional to 13,025.72, 17,971.20 and 7,359.77 is: 10,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.72 : 17,971.20 = 7,359.77 : x
  2. Step 2: Convert to fraction form
    13,025.72/17,971.20 = 7,359.77/x
  3. Step 3: Cross multiply
    13,025.72x = 17,971.20 × 7,359.77
  4. Step 4: Simplify right side
    13,025.72x = 132,263,943.55
  5. Step 5: Solve for x
    x = 132,263,943.55/13,025.72
  6. Step 6: Final answer
    x = 10,154.06

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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.