Home / 20,850.40-31,277.65-6,059.45

Finding the Fourth Proportional to 20,850.40, 31,277.65 and 6,059.45

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Solution

The fourth proportional to 20,850.40, 31,277.65 and 6,059.45 is: 9,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.40 : 31,277.65 = 6,059.45 : x
  2. Step 2: Convert to fraction form
    20,850.40/31,277.65 = 6,059.45/x
  3. Step 3: Cross multiply
    20,850.40x = 31,277.65 × 6,059.45
  4. Step 4: Simplify right side
    20,850.40x = 189,525,356.29
  5. Step 5: Solve for x
    x = 189,525,356.29/20,850.40
  6. Step 6: Final answer
    x = 9,089.77

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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.