Home / 13,951.58-19,253.10-7,578.10

Finding the Fourth Proportional to 13,951.58, 19,253.10 and 7,578.10

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Solution

The fourth proportional to 13,951.58, 19,253.10 and 7,578.10 is: 10,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.58 : 19,253.10 = 7,578.10 : x
  2. Step 2: Convert to fraction form
    13,951.58/19,253.10 = 7,578.10/x
  3. Step 3: Cross multiply
    13,951.58x = 19,253.10 × 7,578.10
  4. Step 4: Simplify right side
    13,951.58x = 145,901,917.11
  5. Step 5: Solve for x
    x = 145,901,917.11/13,951.58
  6. Step 6: Final answer
    x = 10,457.73

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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.