Home / 25,361.13-38,041.71-19,806.15

Finding the Fourth Proportional to 25,361.13, 38,041.71 and 19,806.15

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Solution

The fourth proportional to 25,361.13, 38,041.71 and 19,806.15 is: 29,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.13 : 38,041.71 = 19,806.15 : x
  2. Step 2: Convert to fraction form
    25,361.13/38,041.71 = 19,806.15/x
  3. Step 3: Cross multiply
    25,361.13x = 38,041.71 × 19,806.15
  4. Step 4: Simplify right side
    25,361.13x = 753,459,814.52
  5. Step 5: Solve for x
    x = 753,459,814.52/25,361.13
  6. Step 6: Final answer
    x = 29,709.24

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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.