Home / 13,813.23-19,073.51-11,261.40

Finding the Fourth Proportional to 13,813.23, 19,073.51 and 11,261.40

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Solution

The fourth proportional to 13,813.23, 19,073.51 and 11,261.40 is: 15,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.23 : 19,073.51 = 11,261.40 : x
  2. Step 2: Convert to fraction form
    13,813.23/19,073.51 = 11,261.40/x
  3. Step 3: Cross multiply
    13,813.23x = 19,073.51 × 11,261.40
  4. Step 4: Simplify right side
    13,813.23x = 214,794,425.51
  5. Step 5: Solve for x
    x = 214,794,425.51/13,813.23
  6. Step 6: Final answer
    x = 15,549.91

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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.