Home / 14,315.74-19,755.02-7,942.58

Finding the Fourth Proportional to 14,315.74, 19,755.02 and 7,942.58

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Solution

The fourth proportional to 14,315.74, 19,755.02 and 7,942.58 is: 10,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.74 : 19,755.02 = 7,942.58 : x
  2. Step 2: Convert to fraction form
    14,315.74/19,755.02 = 7,942.58/x
  3. Step 3: Cross multiply
    14,315.74x = 19,755.02 × 7,942.58
  4. Step 4: Simplify right side
    14,315.74x = 156,905,826.75
  5. Step 5: Solve for x
    x = 156,905,826.75/14,315.74
  6. Step 6: Final answer
    x = 10,960.37

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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.