Home / 32,889.51-45,386.32-18,739.62

Finding the Fourth Proportional to 32,889.51, 45,386.32 and 18,739.62

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Solution

The fourth proportional to 32,889.51, 45,386.32 and 18,739.62 is: 25,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,889.51 : 45,386.32 = 18,739.62 : x
  2. Step 2: Convert to fraction form
    32,889.51/45,386.32 = 18,739.62/x
  3. Step 3: Cross multiply
    32,889.51x = 45,386.32 × 18,739.62
  4. Step 4: Simplify right side
    32,889.51x = 850,522,390.00
  5. Step 5: Solve for x
    x = 850,522,390.00/32,889.51
  6. Step 6: Final answer
    x = 25,859.99

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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.