Home / 53,693.79-80,534.45-14,253.98

Finding the Fourth Proportional to 53,693.79, 80,534.45 and 14,253.98

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Solution

The fourth proportional to 53,693.79, 80,534.45 and 14,253.98 is: 21,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.79 : 80,534.45 = 14,253.98 : x
  2. Step 2: Convert to fraction form
    53,693.79/80,534.45 = 14,253.98/x
  3. Step 3: Cross multiply
    53,693.79x = 80,534.45 × 14,253.98
  4. Step 4: Simplify right side
    53,693.79x = 1,147,936,072.57
  5. Step 5: Solve for x
    x = 1,147,936,072.57/53,693.79
  6. Step 6: Final answer
    x = 21,379.31

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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.