Home / 14,257.92-21,384.87-4,897.80

Finding the Fourth Proportional to 14,257.92, 21,384.87 and 4,897.80

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Solution

The fourth proportional to 14,257.92, 21,384.87 and 4,897.80 is: 7,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.92 : 21,384.87 = 4,897.80 : x
  2. Step 2: Convert to fraction form
    14,257.92/21,384.87 = 4,897.80/x
  3. Step 3: Cross multiply
    14,257.92x = 21,384.87 × 4,897.80
  4. Step 4: Simplify right side
    14,257.92x = 104,738,816.29
  5. Step 5: Solve for x
    x = 104,738,816.29/14,257.92
  6. Step 6: Final answer
    x = 7,346.01

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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.