Home / 14,100.50-21,151.09-4,740.64

Finding the Fourth Proportional to 14,100.50, 21,151.09 and 4,740.64

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Solution

The fourth proportional to 14,100.50, 21,151.09 and 4,740.64 is: 7,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.50 : 21,151.09 = 4,740.64 : x
  2. Step 2: Convert to fraction form
    14,100.50/21,151.09 = 4,740.64/x
  3. Step 3: Cross multiply
    14,100.50x = 21,151.09 × 4,740.64
  4. Step 4: Simplify right side
    14,100.50x = 100,269,703.30
  5. Step 5: Solve for x
    x = 100,269,703.30/14,100.50
  6. Step 6: Final answer
    x = 7,111.07

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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.