Home / 19,443.63-29,166.77-7,756.75

Finding the Fourth Proportional to 19,443.63, 29,166.77 and 7,756.75

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Solution

The fourth proportional to 19,443.63, 29,166.77 and 7,756.75 is: 11,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.63 : 29,166.77 = 7,756.75 : x
  2. Step 2: Convert to fraction form
    19,443.63/29,166.77 = 7,756.75/x
  3. Step 3: Cross multiply
    19,443.63x = 29,166.77 × 7,756.75
  4. Step 4: Simplify right side
    19,443.63x = 226,239,343.20
  5. Step 5: Solve for x
    x = 226,239,343.20/19,443.63
  6. Step 6: Final answer
    x = 11,635.65

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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.