Home / 65,926.36-98,889.18-19,180.36

Finding the Fourth Proportional to 65,926.36, 98,889.18 and 19,180.36

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Solution

The fourth proportional to 65,926.36, 98,889.18 and 19,180.36 is: 28,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926.36 : 98,889.18 = 19,180.36 : x
  2. Step 2: Convert to fraction form
    65,926.36/98,889.18 = 19,180.36/x
  3. Step 3: Cross multiply
    65,926.36x = 98,889.18 × 19,180.36
  4. Step 4: Simplify right side
    65,926.36x = 1,896,730,072.50
  5. Step 5: Solve for x
    x = 1,896,730,072.50/65,926.36
  6. Step 6: Final answer
    x = 28,770.44

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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.