Home / 19,098.02-28,617.72-7,998.63

Finding the Fourth Proportional to 19,098.02, 28,617.72 and 7,998.63

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Solution

The fourth proportional to 19,098.02, 28,617.72 and 7,998.63 is: 11,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.02 : 28,617.72 = 7,998.63 : x
  2. Step 2: Convert to fraction form
    19,098.02/28,617.72 = 7,998.63/x
  3. Step 3: Cross multiply
    19,098.02x = 28,617.72 × 7,998.63
  4. Step 4: Simplify right side
    19,098.02x = 228,902,553.72
  5. Step 5: Solve for x
    x = 228,902,553.72/19,098.02
  6. Step 6: Final answer
    x = 11,985.67

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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.