Home / 25,912.17-38,868.39-14,219.01

Finding the Fourth Proportional to 25,912.17, 38,868.39 and 14,219.01

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Solution

The fourth proportional to 25,912.17, 38,868.39 and 14,219.01 is: 21,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.17 : 38,868.39 = 14,219.01 : x
  2. Step 2: Convert to fraction form
    25,912.17/38,868.39 = 14,219.01/x
  3. Step 3: Cross multiply
    25,912.17x = 38,868.39 × 14,219.01
  4. Step 4: Simplify right side
    25,912.17x = 552,670,026.09
  5. Step 5: Solve for x
    x = 552,670,026.09/25,912.17
  6. Step 6: Final answer
    x = 21,328.59

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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.