Home / 14,745.86-22,118.65-5,978.70

Finding the Fourth Proportional to 14,745.86, 22,118.65 and 5,978.70

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Solution

The fourth proportional to 14,745.86, 22,118.65 and 5,978.70 is: 8,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.86 : 22,118.65 = 5,978.70 : x
  2. Step 2: Convert to fraction form
    14,745.86/22,118.65 = 5,978.70/x
  3. Step 3: Cross multiply
    14,745.86x = 22,118.65 × 5,978.70
  4. Step 4: Simplify right side
    14,745.86x = 132,240,772.76
  5. Step 5: Solve for x
    x = 132,240,772.76/14,745.86
  6. Step 6: Final answer
    x = 8,967.99

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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.