Home / 14,087.94-21,130.22-3,700.50

Finding the Fourth Proportional to 14,087.94, 21,130.22 and 3,700.50

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Solution

The fourth proportional to 14,087.94, 21,130.22 and 3,700.50 is: 5,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.94 : 21,130.22 = 3,700.50 : x
  2. Step 2: Convert to fraction form
    14,087.94/21,130.22 = 3,700.50/x
  3. Step 3: Cross multiply
    14,087.94x = 21,130.22 × 3,700.50
  4. Step 4: Simplify right side
    14,087.94x = 78,192,282.71
  5. Step 5: Solve for x
    x = 78,192,282.71/14,087.94
  6. Step 6: Final answer
    x = 5,550.30

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Half scale
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Double scale
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Similar ratio
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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.