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Finding the Fourth Proportional to 22,053.96, 30,423.06 and 13,655.88

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Solution

The fourth proportional to 22,053.96, 30,423.06 and 13,655.88 is: 18,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.96 : 30,423.06 = 13,655.88 : x
  2. Step 2: Convert to fraction form
    22,053.96/30,423.06 = 13,655.88/x
  3. Step 3: Cross multiply
    22,053.96x = 30,423.06 × 13,655.88
  4. Step 4: Simplify right side
    22,053.96x = 415,453,656.59
  5. Step 5: Solve for x
    x = 415,453,656.59/22,053.96
  6. Step 6: Final answer
    x = 18,838.05

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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.