Home / 44,128.72-66,196.99-12,538.98

Finding the Fourth Proportional to 44,128.72, 66,196.99 and 12,538.98

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Solution

The fourth proportional to 44,128.72, 66,196.99 and 12,538.98 is: 18,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.72 : 66,196.99 = 12,538.98 : x
  2. Step 2: Convert to fraction form
    44,128.72/66,196.99 = 12,538.98/x
  3. Step 3: Cross multiply
    44,128.72x = 66,196.99 × 12,538.98
  4. Step 4: Simplify right side
    44,128.72x = 830,042,733.67
  5. Step 5: Solve for x
    x = 830,042,733.67/44,128.72
  6. Step 6: Final answer
    x = 18,809.58

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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.