Home / 12,059.57-18,004.40-10,415.27

Finding the Fourth Proportional to 12,059.57, 18,004.40 and 10,415.27

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Solution

The fourth proportional to 12,059.57, 18,004.40 and 10,415.27 is: 15,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.57 : 18,004.40 = 10,415.27 : x
  2. Step 2: Convert to fraction form
    12,059.57/18,004.40 = 10,415.27/x
  3. Step 3: Cross multiply
    12,059.57x = 18,004.40 × 10,415.27
  4. Step 4: Simplify right side
    12,059.57x = 187,520,545.09
  5. Step 5: Solve for x
    x = 187,520,545.09/12,059.57
  6. Step 6: Final answer
    x = 15,549.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.