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Finding the Fourth Proportional to 14,995.01, 20,543.07 and 14,434.29

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Solution

The fourth proportional to 14,995.01, 20,543.07 and 14,434.29 is: 19,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.01 : 20,543.07 = 14,434.29 : x
  2. Step 2: Convert to fraction form
    14,995.01/20,543.07 = 14,434.29/x
  3. Step 3: Cross multiply
    14,995.01x = 20,543.07 × 14,434.29
  4. Step 4: Simplify right side
    14,995.01x = 296,524,629.87
  5. Step 5: Solve for x
    x = 296,524,629.87/14,995.01
  6. Step 6: Final answer
    x = 19,774.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.