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Finding the Fourth Proportional to 14,862.80, 22,159.78 and 14,094.80

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Solution

The fourth proportional to 14,862.80, 22,159.78 and 14,094.80 is: 21,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.80 : 22,159.78 = 14,094.80 : x
  2. Step 2: Convert to fraction form
    14,862.80/22,159.78 = 14,094.80/x
  3. Step 3: Cross multiply
    14,862.80x = 22,159.78 × 14,094.80
  4. Step 4: Simplify right side
    14,862.80x = 312,337,667.14
  5. Step 5: Solve for x
    x = 312,337,667.14/14,862.80
  6. Step 6: Final answer
    x = 21,014.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.