Home / 19,070.50-26,318.73-10,687.54

Finding the Fourth Proportional to 19,070.50, 26,318.73 and 10,687.54

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Solution

The fourth proportional to 19,070.50, 26,318.73 and 10,687.54 is: 14,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.50 : 26,318.73 = 10,687.54 : x
  2. Step 2: Convert to fraction form
    19,070.50/26,318.73 = 10,687.54/x
  3. Step 3: Cross multiply
    19,070.50x = 26,318.73 × 10,687.54
  4. Step 4: Simplify right side
    19,070.50x = 281,282,479.62
  5. Step 5: Solve for x
    x = 281,282,479.62/19,070.50
  6. Step 6: Final answer
    x = 14,749.61

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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.