Home / 13,400.37-18,471.15-10,563.12

Finding the Fourth Proportional to 13,400.37, 18,471.15 and 10,563.12

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Solution

The fourth proportional to 13,400.37, 18,471.15 and 10,563.12 is: 14,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.37 : 18,471.15 = 10,563.12 : x
  2. Step 2: Convert to fraction form
    13,400.37/18,471.15 = 10,563.12/x
  3. Step 3: Cross multiply
    13,400.37x = 18,471.15 × 10,563.12
  4. Step 4: Simplify right side
    13,400.37x = 195,112,973.99
  5. Step 5: Solve for x
    x = 195,112,973.99/13,400.37
  6. Step 6: Final answer
    x = 14,560.27

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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.