Home / 25,973.88-38,970.53-13,486.11

Finding the Fourth Proportional to 25,973.88, 38,970.53 and 13,486.11

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Solution

The fourth proportional to 25,973.88, 38,970.53 and 13,486.11 is: 20,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.88 : 38,970.53 = 13,486.11 : x
  2. Step 2: Convert to fraction form
    25,973.88/38,970.53 = 13,486.11/x
  3. Step 3: Cross multiply
    25,973.88x = 38,970.53 × 13,486.11
  4. Step 4: Simplify right side
    25,973.88x = 525,560,854.34
  5. Step 5: Solve for x
    x = 525,560,854.34/25,973.88
  6. Step 6: Final answer
    x = 20,234.21

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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.