Home / 13,813.06-19,062.12-7,525.48

Finding the Fourth Proportional to 13,813.06, 19,062.12 and 7,525.48

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Solution

The fourth proportional to 13,813.06, 19,062.12 and 7,525.48 is: 10,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.06 : 19,062.12 = 7,525.48 : x
  2. Step 2: Convert to fraction form
    13,813.06/19,062.12 = 7,525.48/x
  3. Step 3: Cross multiply
    13,813.06x = 19,062.12 × 7,525.48
  4. Step 4: Simplify right side
    13,813.06x = 143,451,602.82
  5. Step 5: Solve for x
    x = 143,451,602.82/13,813.06
  6. Step 6: Final answer
    x = 10,385.22

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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.