Home / 14,120.09-19,484.43-7,746.41

Finding the Fourth Proportional to 14,120.09, 19,484.43 and 7,746.41

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Solution

The fourth proportional to 14,120.09, 19,484.43 and 7,746.41 is: 10,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.09 : 19,484.43 = 7,746.41 : x
  2. Step 2: Convert to fraction form
    14,120.09/19,484.43 = 7,746.41/x
  3. Step 3: Cross multiply
    14,120.09x = 19,484.43 × 7,746.41
  4. Step 4: Simplify right side
    14,120.09x = 150,934,285.97
  5. Step 5: Solve for x
    x = 150,934,285.97/14,120.09
  6. Step 6: Final answer
    x = 10,689.33

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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.