Home / 25,029.11-34,539.86-13,698.50

Finding the Fourth Proportional to 25,029.11, 34,539.86 and 13,698.50

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Solution

The fourth proportional to 25,029.11, 34,539.86 and 13,698.50 is: 18,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.11 : 34,539.86 = 13,698.50 : x
  2. Step 2: Convert to fraction form
    25,029.11/34,539.86 = 13,698.50/x
  3. Step 3: Cross multiply
    25,029.11x = 34,539.86 × 13,698.50
  4. Step 4: Simplify right side
    25,029.11x = 473,144,031.02
  5. Step 5: Solve for x
    x = 473,144,031.02/25,029.11
  6. Step 6: Final answer
    x = 18,903.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.