Home / 43,153.97-64,733.58-13,572.77

Finding the Fourth Proportional to 43,153.97, 64,733.58 and 13,572.77

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Solution

The fourth proportional to 43,153.97, 64,733.58 and 13,572.77 is: 20,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.97 : 64,733.58 = 13,572.77 : x
  2. Step 2: Convert to fraction form
    43,153.97/64,733.58 = 13,572.77/x
  3. Step 3: Cross multiply
    43,153.97x = 64,733.58 × 13,572.77
  4. Step 4: Simplify right side
    43,153.97x = 878,613,668.95
  5. Step 5: Solve for x
    x = 878,613,668.95/43,153.97
  6. Step 6: Final answer
    x = 20,359.98

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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.