Home / 19,031.43-28,538.13-5,699.30

Finding the Fourth Proportional to 19,031.43, 28,538.13 and 5,699.30

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Solution

The fourth proportional to 19,031.43, 28,538.13 and 5,699.30 is: 8,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.43 : 28,538.13 = 5,699.30 : x
  2. Step 2: Convert to fraction form
    19,031.43/28,538.13 = 5,699.30/x
  3. Step 3: Cross multiply
    19,031.43x = 28,538.13 × 5,699.30
  4. Step 4: Simplify right side
    19,031.43x = 162,647,242.99
  5. Step 5: Solve for x
    x = 162,647,242.99/19,031.43
  6. Step 6: Final answer
    x = 8,546.24

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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.