Home / 14,305.70-21,438.80-10,325.22

Finding the Fourth Proportional to 14,305.70, 21,438.80 and 10,325.22

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Solution

The fourth proportional to 14,305.70, 21,438.80 and 10,325.22 is: 15,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.70 : 21,438.80 = 10,325.22 : x
  2. Step 2: Convert to fraction form
    14,305.70/21,438.80 = 10,325.22/x
  3. Step 3: Cross multiply
    14,305.70x = 21,438.80 × 10,325.22
  4. Step 4: Simplify right side
    14,305.70x = 221,360,326.54
  5. Step 5: Solve for x
    x = 221,360,326.54/14,305.70
  6. Step 6: Final answer
    x = 15,473.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.