Home / 20,059.26-27,682.21-10,985.01

Finding the Fourth Proportional to 20,059.26, 27,682.21 and 10,985.01

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Solution

The fourth proportional to 20,059.26, 27,682.21 and 10,985.01 is: 15,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.26 : 27,682.21 = 10,985.01 : x
  2. Step 2: Convert to fraction form
    20,059.26/27,682.21 = 10,985.01/x
  3. Step 3: Cross multiply
    20,059.26x = 27,682.21 × 10,985.01
  4. Step 4: Simplify right side
    20,059.26x = 304,089,353.67
  5. Step 5: Solve for x
    x = 304,089,353.67/20,059.26
  6. Step 6: Final answer
    x = 15,159.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.