Home / 13,502.51-18,633.68-7,453.04

Finding the Fourth Proportional to 13,502.51, 18,633.68 and 7,453.04

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Solution

The fourth proportional to 13,502.51, 18,633.68 and 7,453.04 is: 10,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.51 : 18,633.68 = 7,453.04 : x
  2. Step 2: Convert to fraction form
    13,502.51/18,633.68 = 7,453.04/x
  3. Step 3: Cross multiply
    13,502.51x = 18,633.68 × 7,453.04
  4. Step 4: Simplify right side
    13,502.51x = 138,877,431.95
  5. Step 5: Solve for x
    x = 138,877,431.95/13,502.51
  6. Step 6: Final answer
    x = 10,285.31

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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.