Home / 14,501.52-20,010.96-8,212.32

Finding the Fourth Proportional to 14,501.52, 20,010.96 and 8,212.32

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Solution

The fourth proportional to 14,501.52, 20,010.96 and 8,212.32 is: 11,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.52 : 20,010.96 = 8,212.32 : x
  2. Step 2: Convert to fraction form
    14,501.52/20,010.96 = 8,212.32/x
  3. Step 3: Cross multiply
    14,501.52x = 20,010.96 × 8,212.32
  4. Step 4: Simplify right side
    14,501.52x = 164,336,407.03
  5. Step 5: Solve for x
    x = 164,336,407.03/14,501.52
  6. Step 6: Final answer
    x = 11,332.36

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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.