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Finding the Fourth Proportional to 14,836.40, 22,211.40 and 14,404.40

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Solution

The fourth proportional to 14,836.40, 22,211.40 and 14,404.40 is: 21,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.40 : 22,211.40 = 14,404.40 : x
  2. Step 2: Convert to fraction form
    14,836.40/22,211.40 = 14,404.40/x
  3. Step 3: Cross multiply
    14,836.40x = 22,211.40 × 14,404.40
  4. Step 4: Simplify right side
    14,836.40x = 319,941,890.16
  5. Step 5: Solve for x
    x = 319,941,890.16/14,836.40
  6. Step 6: Final answer
    x = 21,564.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.