Home / 13,881.34-19,127.91-9,893.98

Finding the Fourth Proportional to 13,881.34, 19,127.91 and 9,893.98

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Solution

The fourth proportional to 13,881.34, 19,127.91 and 9,893.98 is: 13,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.34 : 19,127.91 = 9,893.98 : x
  2. Step 2: Convert to fraction form
    13,881.34/19,127.91 = 9,893.98/x
  3. Step 3: Cross multiply
    13,881.34x = 19,127.91 × 9,893.98
  4. Step 4: Simplify right side
    13,881.34x = 189,251,158.98
  5. Step 5: Solve for x
    x = 189,251,158.98/13,881.34
  6. Step 6: Final answer
    x = 13,633.49

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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.