Home / 14,140.51-21,213.50-5,374.74

Finding the Fourth Proportional to 14,140.51, 21,213.50 and 5,374.74

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Solution

The fourth proportional to 14,140.51, 21,213.50 and 5,374.74 is: 8,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.51 : 21,213.50 = 5,374.74 : x
  2. Step 2: Convert to fraction form
    14,140.51/21,213.50 = 5,374.74/x
  3. Step 3: Cross multiply
    14,140.51x = 21,213.50 × 5,374.74
  4. Step 4: Simplify right side
    14,140.51x = 114,017,046.99
  5. Step 5: Solve for x
    x = 114,017,046.99/14,140.51
  6. Step 6: Final answer
    x = 8,063.15

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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.