Home / 13,263.47-18,303.59-7,295.54

Finding the Fourth Proportional to 13,263.47, 18,303.59 and 7,295.54

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Solution

The fourth proportional to 13,263.47, 18,303.59 and 7,295.54 is: 10,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.47 : 18,303.59 = 7,295.54 : x
  2. Step 2: Convert to fraction form
    13,263.47/18,303.59 = 7,295.54/x
  3. Step 3: Cross multiply
    13,263.47x = 18,303.59 × 7,295.54
  4. Step 4: Simplify right side
    13,263.47x = 133,534,636.99
  5. Step 5: Solve for x
    x = 133,534,636.99/13,263.47
  6. Step 6: Final answer
    x = 10,067.85

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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.