Home / 20,770.02-31,150.37-5,975.64

Finding the Fourth Proportional to 20,770.02, 31,150.37 and 5,975.64

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Solution

The fourth proportional to 20,770.02, 31,150.37 and 5,975.64 is: 8,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.02 : 31,150.37 = 5,975.64 : x
  2. Step 2: Convert to fraction form
    20,770.02/31,150.37 = 5,975.64/x
  3. Step 3: Cross multiply
    20,770.02x = 31,150.37 × 5,975.64
  4. Step 4: Simplify right side
    20,770.02x = 186,143,411.93
  5. Step 5: Solve for x
    x = 186,143,411.93/20,770.02
  6. Step 6: Final answer
    x = 8,962.12

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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.