Home / 18,453.21-25,465.50-10,069.71

Finding the Fourth Proportional to 18,453.21, 25,465.50 and 10,069.71

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Solution

The fourth proportional to 18,453.21, 25,465.50 and 10,069.71 is: 13,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.21 : 25,465.50 = 10,069.71 : x
  2. Step 2: Convert to fraction form
    18,453.21/25,465.50 = 10,069.71/x
  3. Step 3: Cross multiply
    18,453.21x = 25,465.50 × 10,069.71
  4. Step 4: Simplify right side
    18,453.21x = 256,430,200.01
  5. Step 5: Solve for x
    x = 256,430,200.01/18,453.21
  6. Step 6: Final answer
    x = 13,896.24

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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.