Home / 15,503.04-23,242.85-7,998.56

Finding the Fourth Proportional to 15,503.04, 23,242.85 and 7,998.56

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Solution

The fourth proportional to 15,503.04, 23,242.85 and 7,998.56 is: 11,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.04 : 23,242.85 = 7,998.56 : x
  2. Step 2: Convert to fraction form
    15,503.04/23,242.85 = 7,998.56/x
  3. Step 3: Cross multiply
    15,503.04x = 23,242.85 × 7,998.56
  4. Step 4: Simplify right side
    15,503.04x = 185,909,330.30
  5. Step 5: Solve for x
    x = 185,909,330.30/15,503.04
  6. Step 6: Final answer
    x = 11,991.80

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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.