Home / 20,093.04-30,137.40-15,699.60

Finding the Fourth Proportional to 20,093.04, 30,137.40 and 15,699.60

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Solution

The fourth proportional to 20,093.04, 30,137.40 and 15,699.60 is: 23,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.04 : 30,137.40 = 15,699.60 : x
  2. Step 2: Convert to fraction form
    20,093.04/30,137.40 = 15,699.60/x
  3. Step 3: Cross multiply
    20,093.04x = 30,137.40 × 15,699.60
  4. Step 4: Simplify right side
    20,093.04x = 473,145,125.04
  5. Step 5: Solve for x
    x = 473,145,125.04/20,093.04
  6. Step 6: Final answer
    x = 23,547.71

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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.