Home / 13,114.08-19,569.69-11,712.33

Finding the Fourth Proportional to 13,114.08, 19,569.69 and 11,712.33

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Solution

The fourth proportional to 13,114.08, 19,569.69 and 11,712.33 is: 17,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.08 : 19,569.69 = 11,712.33 : x
  2. Step 2: Convert to fraction form
    13,114.08/19,569.69 = 11,712.33/x
  3. Step 3: Cross multiply
    13,114.08x = 19,569.69 × 11,712.33
  4. Step 4: Simplify right side
    13,114.08x = 229,206,667.28
  5. Step 5: Solve for x
    x = 229,206,667.28/13,114.08
  6. Step 6: Final answer
    x = 17,477.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.