Home / 19,841.28-29,749.26-8,590.56

Finding the Fourth Proportional to 19,841.28, 29,749.26 and 8,590.56

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Solution

The fourth proportional to 19,841.28, 29,749.26 and 8,590.56 is: 12,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.28 : 29,749.26 = 8,590.56 : x
  2. Step 2: Convert to fraction form
    19,841.28/29,749.26 = 8,590.56/x
  3. Step 3: Cross multiply
    19,841.28x = 29,749.26 × 8,590.56
  4. Step 4: Simplify right side
    19,841.28x = 255,562,802.99
  5. Step 5: Solve for x
    x = 255,562,802.99/19,841.28
  6. Step 6: Final answer
    x = 12,880.36

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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.