Home / 13,887.43-19,173.59-12,392.77

Finding the Fourth Proportional to 13,887.43, 19,173.59 and 12,392.77

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Solution

The fourth proportional to 13,887.43, 19,173.59 and 12,392.77 is: 17,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.43 : 19,173.59 = 12,392.77 : x
  2. Step 2: Convert to fraction form
    13,887.43/19,173.59 = 12,392.77/x
  3. Step 3: Cross multiply
    13,887.43x = 19,173.59 × 12,392.77
  4. Step 4: Simplify right side
    13,887.43x = 237,613,890.94
  5. Step 5: Solve for x
    x = 237,613,890.94/13,887.43
  6. Step 6: Final answer
    x = 17,110.00

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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.