Home / 13,806.08-19,051.80-7,518.48

Finding the Fourth Proportional to 13,806.08, 19,051.80 and 7,518.48

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Solution

The fourth proportional to 13,806.08, 19,051.80 and 7,518.48 is: 10,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.08 : 19,051.80 = 7,518.48 : x
  2. Step 2: Convert to fraction form
    13,806.08/19,051.80 = 7,518.48/x
  3. Step 3: Cross multiply
    13,806.08x = 19,051.80 × 7,518.48
  4. Step 4: Simplify right side
    13,806.08x = 143,240,577.26
  5. Step 5: Solve for x
    x = 143,240,577.26/13,806.08
  6. Step 6: Final answer
    x = 10,375.18

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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.