Home / 25,361.65-38,021.86-10,581.58

Finding the Fourth Proportional to 25,361.65, 38,021.86 and 10,581.58

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Solution

The fourth proportional to 25,361.65, 38,021.86 and 10,581.58 is: 15,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.65 : 38,021.86 = 10,581.58 : x
  2. Step 2: Convert to fraction form
    25,361.65/38,021.86 = 10,581.58/x
  3. Step 3: Cross multiply
    25,361.65x = 38,021.86 × 10,581.58
  4. Step 4: Simplify right side
    25,361.65x = 402,331,353.34
  5. Step 5: Solve for x
    x = 402,331,353.34/25,361.65
  6. Step 6: Final answer
    x = 15,863.77

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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.