Home / 13,682.09-20,526.26-4,322.06

Finding the Fourth Proportional to 13,682.09, 20,526.26 and 4,322.06

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Solution

The fourth proportional to 13,682.09, 20,526.26 and 4,322.06 is: 6,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.09 : 20,526.26 = 4,322.06 : x
  2. Step 2: Convert to fraction form
    13,682.09/20,526.26 = 4,322.06/x
  3. Step 3: Cross multiply
    13,682.09x = 20,526.26 × 4,322.06
  4. Step 4: Simplify right side
    13,682.09x = 88,715,603.05
  5. Step 5: Solve for x
    x = 88,715,603.05/13,682.09
  6. Step 6: Final answer
    x = 6,484.07

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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.