Home / 19,553.63-26,981.43-11,056.91

Finding the Fourth Proportional to 19,553.63, 26,981.43 and 11,056.91

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Solution

The fourth proportional to 19,553.63, 26,981.43 and 11,056.91 is: 15,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.63 : 26,981.43 = 11,056.91 : x
  2. Step 2: Convert to fraction form
    19,553.63/26,981.43 = 11,056.91/x
  3. Step 3: Cross multiply
    19,553.63x = 26,981.43 × 11,056.91
  4. Step 4: Simplify right side
    19,553.63x = 298,331,243.18
  5. Step 5: Solve for x
    x = 298,331,243.18/19,553.63
  6. Step 6: Final answer
    x = 15,257.08

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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.