Home / 19,445.03-29,178.86-8,199.67

Finding the Fourth Proportional to 19,445.03, 29,178.86 and 8,199.67

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Solution

The fourth proportional to 19,445.03, 29,178.86 and 8,199.67 is: 12,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.03 : 29,178.86 = 8,199.67 : x
  2. Step 2: Convert to fraction form
    19,445.03/29,178.86 = 8,199.67/x
  3. Step 3: Cross multiply
    19,445.03x = 29,178.86 × 8,199.67
  4. Step 4: Simplify right side
    19,445.03x = 239,256,970.53
  5. Step 5: Solve for x
    x = 239,256,970.53/19,445.03
  6. Step 6: Final answer
    x = 12,304.27

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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.