Home / 18,948.09-26,149.56-10,450.23

Finding the Fourth Proportional to 18,948.09, 26,149.56 and 10,450.23

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Solution

The fourth proportional to 18,948.09, 26,149.56 and 10,450.23 is: 14,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.09 : 26,149.56 = 10,450.23 : x
  2. Step 2: Convert to fraction form
    18,948.09/26,149.56 = 10,450.23/x
  3. Step 3: Cross multiply
    18,948.09x = 26,149.56 × 10,450.23
  4. Step 4: Simplify right side
    18,948.09x = 273,268,916.40
  5. Step 5: Solve for x
    x = 273,268,916.40/18,948.09
  6. Step 6: Final answer
    x = 14,421.98

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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.