Home / 14,539.34-20,065.01-8,165.60

Finding the Fourth Proportional to 14,539.34, 20,065.01 and 8,165.60

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Solution

The fourth proportional to 14,539.34, 20,065.01 and 8,165.60 is: 11,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.34 : 20,065.01 = 8,165.60 : x
  2. Step 2: Convert to fraction form
    14,539.34/20,065.01 = 8,165.60/x
  3. Step 3: Cross multiply
    14,539.34x = 20,065.01 × 8,165.60
  4. Step 4: Simplify right side
    14,539.34x = 163,842,825.68
  5. Step 5: Solve for x
    x = 163,842,825.68/14,539.34
  6. Step 6: Final answer
    x = 11,268.93

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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.