Home / 14,039.33-19,373.78-8,070.91

Finding the Fourth Proportional to 14,039.33, 19,373.78 and 8,070.91

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Solution

The fourth proportional to 14,039.33, 19,373.78 and 8,070.91 is: 11,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.33 : 19,373.78 = 8,070.91 : x
  2. Step 2: Convert to fraction form
    14,039.33/19,373.78 = 8,070.91/x
  3. Step 3: Cross multiply
    14,039.33x = 19,373.78 × 8,070.91
  4. Step 4: Simplify right side
    14,039.33x = 156,364,006.48
  5. Step 5: Solve for x
    x = 156,364,006.48/14,039.33
  6. Step 6: Final answer
    x = 11,137.57

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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.