Home / 16,780.59-25,166.98-7,415.50

Finding the Fourth Proportional to 16,780.59, 25,166.98 and 7,415.50

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Solution

The fourth proportional to 16,780.59, 25,166.98 and 7,415.50 is: 11,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.59 : 25,166.98 = 7,415.50 : x
  2. Step 2: Convert to fraction form
    16,780.59/25,166.98 = 7,415.50/x
  3. Step 3: Cross multiply
    16,780.59x = 25,166.98 × 7,415.50
  4. Step 4: Simplify right side
    16,780.59x = 186,625,740.19
  5. Step 5: Solve for x
    x = 186,625,740.19/16,780.59
  6. Step 6: Final answer
    x = 11,121.52

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1.5x scale

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.