Home / 19,322.08-26,676.24-18,130.72

Finding the Fourth Proportional to 19,322.08, 26,676.24 and 18,130.72

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Solution

The fourth proportional to 19,322.08, 26,676.24 and 18,130.72 is: 25,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.08 : 26,676.24 = 18,130.72 : x
  2. Step 2: Convert to fraction form
    19,322.08/26,676.24 = 18,130.72/x
  3. Step 3: Cross multiply
    19,322.08x = 26,676.24 × 18,130.72
  4. Step 4: Simplify right side
    19,322.08x = 483,659,438.09
  5. Step 5: Solve for x
    x = 483,659,438.09/19,322.08
  6. Step 6: Final answer
    x = 25,031.44

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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.