Home / 20,858.07-31,292.55-6,066.66

Finding the Fourth Proportional to 20,858.07, 31,292.55 and 6,066.66

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Solution

The fourth proportional to 20,858.07, 31,292.55 and 6,066.66 is: 9,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.07 : 31,292.55 = 6,066.66 : x
  2. Step 2: Convert to fraction form
    20,858.07/31,292.55 = 6,066.66/x
  3. Step 3: Cross multiply
    20,858.07x = 31,292.55 × 6,066.66
  4. Step 4: Simplify right side
    20,858.07x = 189,841,261.38
  5. Step 5: Solve for x
    x = 189,841,261.38/20,858.07
  6. Step 6: Final answer
    x = 9,101.57

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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.