Home / 25,858.79-38,795.10-14,009.77

Finding the Fourth Proportional to 25,858.79, 38,795.10 and 14,009.77

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Solution

The fourth proportional to 25,858.79, 38,795.10 and 14,009.77 is: 21,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.79 : 38,795.10 = 14,009.77 : x
  2. Step 2: Convert to fraction form
    25,858.79/38,795.10 = 14,009.77/x
  3. Step 3: Cross multiply
    25,858.79x = 38,795.10 × 14,009.77
  4. Step 4: Simplify right side
    25,858.79x = 543,510,529.16
  5. Step 5: Solve for x
    x = 543,510,529.16/25,858.79
  6. Step 6: Final answer
    x = 21,018.41

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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.