Home / 65,336.63-98,021.34-18,589.50

Finding the Fourth Proportional to 65,336.63, 98,021.34 and 18,589.50

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Solution

The fourth proportional to 65,336.63, 98,021.34 and 18,589.50 is: 27,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,336.63 : 98,021.34 = 18,589.50 : x
  2. Step 2: Convert to fraction form
    65,336.63/98,021.34 = 18,589.50/x
  3. Step 3: Cross multiply
    65,336.63x = 98,021.34 × 18,589.50
  4. Step 4: Simplify right side
    65,336.63x = 1,822,167,699.93
  5. Step 5: Solve for x
    x = 1,822,167,699.93/65,336.63
  6. Step 6: Final answer
    x = 27,888.92

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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.