Home / 13,263.48-18,303.57-7,295.49

Finding the Fourth Proportional to 13,263.48, 18,303.57 and 7,295.49

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Solution

The fourth proportional to 13,263.48, 18,303.57 and 7,295.49 is: 10,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.48 : 18,303.57 = 7,295.49 : x
  2. Step 2: Convert to fraction form
    13,263.48/18,303.57 = 7,295.49/x
  3. Step 3: Cross multiply
    13,263.48x = 18,303.57 × 7,295.49
  4. Step 4: Simplify right side
    13,263.48x = 133,533,511.90
  5. Step 5: Solve for x
    x = 133,533,511.90/13,263.48
  6. Step 6: Final answer
    x = 10,067.76

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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.