Home / 65,801.52-98,708.55-18,416.64

Finding the Fourth Proportional to 65,801.52, 98,708.55 and 18,416.64

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Solution

The fourth proportional to 65,801.52, 98,708.55 and 18,416.64 is: 27,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.52 : 98,708.55 = 18,416.64 : x
  2. Step 2: Convert to fraction form
    65,801.52/98,708.55 = 18,416.64/x
  3. Step 3: Cross multiply
    65,801.52x = 98,708.55 × 18,416.64
  4. Step 4: Simplify right side
    65,801.52x = 1,817,879,830.27
  5. Step 5: Solve for x
    x = 1,817,879,830.27/65,801.52
  6. Step 6: Final answer
    x = 27,626.71

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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.