Home / 13,590.99-20,360.43-10,466.28

Finding the Fourth Proportional to 13,590.99, 20,360.43 and 10,466.28

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Solution

The fourth proportional to 13,590.99, 20,360.43 and 10,466.28 is: 15,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.99 : 20,360.43 = 10,466.28 : x
  2. Step 2: Convert to fraction form
    13,590.99/20,360.43 = 10,466.28/x
  3. Step 3: Cross multiply
    13,590.99x = 20,360.43 × 10,466.28
  4. Step 4: Simplify right side
    13,590.99x = 213,097,961.30
  5. Step 5: Solve for x
    x = 213,097,961.30/13,590.99
  6. Step 6: Final answer
    x = 15,679.36

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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.