Home / 65,923.42-98,885.16-18,543.55

Finding the Fourth Proportional to 65,923.42, 98,885.16 and 18,543.55

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Solution

The fourth proportional to 65,923.42, 98,885.16 and 18,543.55 is: 27,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,923.42 : 98,885.16 = 18,543.55 : x
  2. Step 2: Convert to fraction form
    65,923.42/98,885.16 = 18,543.55/x
  3. Step 3: Cross multiply
    65,923.42x = 98,885.16 × 18,543.55
  4. Step 4: Simplify right side
    65,923.42x = 1,833,681,908.72
  5. Step 5: Solve for x
    x = 1,833,681,908.72/65,923.42
  6. Step 6: Final answer
    x = 27,815.33

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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.