Home / 25,912.36-38,881.50-10,343.08

Finding the Fourth Proportional to 25,912.36, 38,881.50 and 10,343.08

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Solution

The fourth proportional to 25,912.36, 38,881.50 and 10,343.08 is: 15,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.36 : 38,881.50 = 10,343.08 : x
  2. Step 2: Convert to fraction form
    25,912.36/38,881.50 = 10,343.08/x
  3. Step 3: Cross multiply
    25,912.36x = 38,881.50 × 10,343.08
  4. Step 4: Simplify right side
    25,912.36x = 402,154,465.02
  5. Step 5: Solve for x
    x = 402,154,465.02/25,912.36
  6. Step 6: Final answer
    x = 15,519.79

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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.