Home / 14,101.84-21,151.98-4,740.90

Finding the Fourth Proportional to 14,101.84, 21,151.98 and 4,740.90

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Solution

The fourth proportional to 14,101.84, 21,151.98 and 4,740.90 is: 7,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.84 : 21,151.98 = 4,740.90 : x
  2. Step 2: Convert to fraction form
    14,101.84/21,151.98 = 4,740.90/x
  3. Step 3: Cross multiply
    14,101.84x = 21,151.98 × 4,740.90
  4. Step 4: Simplify right side
    14,101.84x = 100,279,421.98
  5. Step 5: Solve for x
    x = 100,279,421.98/14,101.84
  6. Step 6: Final answer
    x = 7,111.09

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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.