Home / 25,656.48-38,448.81-19,411.38

Finding the Fourth Proportional to 25,656.48, 38,448.81 and 19,411.38

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Solution

The fourth proportional to 25,656.48, 38,448.81 and 19,411.38 is: 29,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.48 : 38,448.81 = 19,411.38 : x
  2. Step 2: Convert to fraction form
    25,656.48/38,448.81 = 19,411.38/x
  3. Step 3: Cross multiply
    25,656.48x = 38,448.81 × 19,411.38
  4. Step 4: Simplify right side
    25,656.48x = 746,344,461.46
  5. Step 5: Solve for x
    x = 746,344,461.46/25,656.48
  6. Step 6: Final answer
    x = 29,089.90

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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.