Home / 25,885.08-38,790.84-11,810.52

Finding the Fourth Proportional to 25,885.08, 38,790.84 and 11,810.52

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Solution

The fourth proportional to 25,885.08, 38,790.84 and 11,810.52 is: 17,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.08 : 38,790.84 = 11,810.52 : x
  2. Step 2: Convert to fraction form
    25,885.08/38,790.84 = 11,810.52/x
  3. Step 3: Cross multiply
    25,885.08x = 38,790.84 × 11,810.52
  4. Step 4: Simplify right side
    25,885.08x = 458,139,991.64
  5. Step 5: Solve for x
    x = 458,139,991.64/25,885.08
  6. Step 6: Final answer
    x = 17,699.00

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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.