Home / 13,245.86-19,852.65-7,322.51

Finding the Fourth Proportional to 13,245.86, 19,852.65 and 7,322.51

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Solution

The fourth proportional to 13,245.86, 19,852.65 and 7,322.51 is: 10,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.86 : 19,852.65 = 7,322.51 : x
  2. Step 2: Convert to fraction form
    13,245.86/19,852.65 = 7,322.51/x
  3. Step 3: Cross multiply
    13,245.86x = 19,852.65 × 7,322.51
  4. Step 4: Simplify right side
    13,245.86x = 145,371,277.78
  5. Step 5: Solve for x
    x = 145,371,277.78/13,245.86
  6. Step 6: Final answer
    x = 10,974.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.