Home / 65,490.26-98,235.36-18,743.12

Finding the Fourth Proportional to 65,490.26, 98,235.36 and 18,743.12

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Solution

The fourth proportional to 65,490.26, 98,235.36 and 18,743.12 is: 28,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,490.26 : 98,235.36 = 18,743.12 : x
  2. Step 2: Convert to fraction form
    65,490.26/98,235.36 = 18,743.12/x
  3. Step 3: Cross multiply
    65,490.26x = 98,235.36 × 18,743.12
  4. Step 4: Simplify right side
    65,490.26x = 1,841,237,140.72
  5. Step 5: Solve for x
    x = 1,841,237,140.72/65,490.26
  6. Step 6: Final answer
    x = 28,114.67

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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.