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Finding the Fourth Proportional to 22,140.98, 30,543.01 and 14,060.80

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Solution

The fourth proportional to 22,140.98, 30,543.01 and 14,060.80 is: 19,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.98 : 30,543.01 = 14,060.80 : x
  2. Step 2: Convert to fraction form
    22,140.98/30,543.01 = 14,060.80/x
  3. Step 3: Cross multiply
    22,140.98x = 30,543.01 × 14,060.80
  4. Step 4: Simplify right side
    22,140.98x = 429,459,158.03
  5. Step 5: Solve for x
    x = 429,459,158.03/22,140.98
  6. Step 6: Final answer
    x = 19,396.58

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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.