Home / 14,644.54-21,970.28-4,783.80

Finding the Fourth Proportional to 14,644.54, 21,970.28 and 4,783.80

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Solution

The fourth proportional to 14,644.54, 21,970.28 and 4,783.80 is: 7,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.54 : 21,970.28 = 4,783.80 : x
  2. Step 2: Convert to fraction form
    14,644.54/21,970.28 = 4,783.80/x
  3. Step 3: Cross multiply
    14,644.54x = 21,970.28 × 4,783.80
  4. Step 4: Simplify right side
    14,644.54x = 105,101,425.46
  5. Step 5: Solve for x
    x = 105,101,425.46/14,644.54
  6. Step 6: Final answer
    x = 7,176.83

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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.