Home / 15,065.45-20,790.86-9,095.96

Finding the Fourth Proportional to 15,065.45, 20,790.86 and 9,095.96

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Solution

The fourth proportional to 15,065.45, 20,790.86 and 9,095.96 is: 12,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.45 : 20,790.86 = 9,095.96 : x
  2. Step 2: Convert to fraction form
    15,065.45/20,790.86 = 9,095.96/x
  3. Step 3: Cross multiply
    15,065.45x = 20,790.86 × 9,095.96
  4. Step 4: Simplify right side
    15,065.45x = 189,112,830.93
  5. Step 5: Solve for x
    x = 189,112,830.93/15,065.45
  6. Step 6: Final answer
    x = 12,552.75

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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.