Home / 27,962.16-38,611.12-18,572.64

Finding the Fourth Proportional to 27,962.16, 38,611.12 and 18,572.64

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Solution

The fourth proportional to 27,962.16, 38,611.12 and 18,572.64 is: 25,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.16 : 38,611.12 = 18,572.64 : x
  2. Step 2: Convert to fraction form
    27,962.16/38,611.12 = 18,572.64/x
  3. Step 3: Cross multiply
    27,962.16x = 38,611.12 × 18,572.64
  4. Step 4: Simplify right side
    27,962.16x = 717,110,431.76
  5. Step 5: Solve for x
    x = 717,110,431.76/27,962.16
  6. Step 6: Final answer
    x = 25,645.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.