Home / 14,442.45-19,932-8,775.96

Finding the Fourth Proportional to 14,442.45, 19,932 and 8,775.96

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Solution

The fourth proportional to 14,442.45, 19,932 and 8,775.96 is: 12,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.45 : 19,932 = 8,775.96 : x
  2. Step 2: Convert to fraction form
    14,442.45/19,932 = 8,775.96/x
  3. Step 3: Cross multiply
    14,442.45x = 19,932 × 8,775.96
  4. Step 4: Simplify right side
    14,442.45x = 174,922,434.72
  5. Step 5: Solve for x
    x = 174,922,434.72/14,442.45
  6. Step 6: Final answer
    x = 12,111.69

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1.5x scale

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.