Home / 20,526.72-30,790.08-4,944.36

Finding the Fourth Proportional to 20,526.72, 30,790.08 and 4,944.36

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Solution

The fourth proportional to 20,526.72, 30,790.08 and 4,944.36 is: 7,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.72 : 30,790.08 = 4,944.36 : x
  2. Step 2: Convert to fraction form
    20,526.72/30,790.08 = 4,944.36/x
  3. Step 3: Cross multiply
    20,526.72x = 30,790.08 × 4,944.36
  4. Step 4: Simplify right side
    20,526.72x = 152,237,239.95
  5. Step 5: Solve for x
    x = 152,237,239.95/20,526.72
  6. Step 6: Final answer
    x = 7,416.54

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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.