Home / 18,433.19-25,438.40-10,368.24

Finding the Fourth Proportional to 18,433.19, 25,438.40 and 10,368.24

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Solution

The fourth proportional to 18,433.19, 25,438.40 and 10,368.24 is: 14,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.19 : 25,438.40 = 10,368.24 : x
  2. Step 2: Convert to fraction form
    18,433.19/25,438.40 = 10,368.24/x
  3. Step 3: Cross multiply
    18,433.19x = 25,438.40 × 10,368.24
  4. Step 4: Simplify right side
    18,433.19x = 263,751,384.57
  5. Step 5: Solve for x
    x = 263,751,384.57/18,433.19
  6. Step 6: Final answer
    x = 14,308.51

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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.