Home / 53,010.99-79,516.08-13,568.04

Finding the Fourth Proportional to 53,010.99, 79,516.08 and 13,568.04

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Solution

The fourth proportional to 53,010.99, 79,516.08 and 13,568.04 is: 20,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.99 : 79,516.08 = 13,568.04 : x
  2. Step 2: Convert to fraction form
    53,010.99/79,516.08 = 13,568.04/x
  3. Step 3: Cross multiply
    53,010.99x = 79,516.08 × 13,568.04
  4. Step 4: Simplify right side
    53,010.99x = 1,078,877,354.08
  5. Step 5: Solve for x
    x = 1,078,877,354.08/53,010.99
  6. Step 6: Final answer
    x = 20,351.96

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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.