Home / 18,763.50-25,893.64-10,381.26

Finding the Fourth Proportional to 18,763.50, 25,893.64 and 10,381.26

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Solution

The fourth proportional to 18,763.50, 25,893.64 and 10,381.26 is: 14,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.50 : 25,893.64 = 10,381.26 : x
  2. Step 2: Convert to fraction form
    18,763.50/25,893.64 = 10,381.26/x
  3. Step 3: Cross multiply
    18,763.50x = 25,893.64 × 10,381.26
  4. Step 4: Simplify right side
    18,763.50x = 268,808,609.19
  5. Step 5: Solve for x
    x = 268,808,609.19/18,763.50
  6. Step 6: Final answer
    x = 14,326.14

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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.