Home / 25,875.36-38,812.72-18,245.22

Finding the Fourth Proportional to 25,875.36, 38,812.72 and 18,245.22

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Solution

The fourth proportional to 25,875.36, 38,812.72 and 18,245.22 is: 27,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.36 : 38,812.72 = 18,245.22 : x
  2. Step 2: Convert to fraction form
    25,875.36/38,812.72 = 18,245.22/x
  3. Step 3: Cross multiply
    25,875.36x = 38,812.72 × 18,245.22
  4. Step 4: Simplify right side
    25,875.36x = 708,146,615.20
  5. Step 5: Solve for x
    x = 708,146,615.20/25,875.36
  6. Step 6: Final answer
    x = 27,367.60

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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.