Home / 18,453.09-25,473.51-12,502.83

Finding the Fourth Proportional to 18,453.09, 25,473.51 and 12,502.83

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Solution

The fourth proportional to 18,453.09, 25,473.51 and 12,502.83 is: 17,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.09 : 25,473.51 = 12,502.83 : x
  2. Step 2: Convert to fraction form
    18,453.09/25,473.51 = 12,502.83/x
  3. Step 3: Cross multiply
    18,453.09x = 25,473.51 × 12,502.83
  4. Step 4: Simplify right side
    18,453.09x = 318,490,965.03
  5. Step 5: Solve for x
    x = 318,490,965.03/18,453.09
  6. Step 6: Final answer
    x = 17,259.49

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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.