Home / 14,113.63-21,164.30-4,751.14

Finding the Fourth Proportional to 14,113.63, 21,164.30 and 4,751.14

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Solution

The fourth proportional to 14,113.63, 21,164.30 and 4,751.14 is: 7,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.63 : 21,164.30 = 4,751.14 : x
  2. Step 2: Convert to fraction form
    14,113.63/21,164.30 = 4,751.14/x
  3. Step 3: Cross multiply
    14,113.63x = 21,164.30 × 4,751.14
  4. Step 4: Simplify right side
    14,113.63x = 100,554,539.82
  5. Step 5: Solve for x
    x = 100,554,539.82/14,113.63
  6. Step 6: Final answer
    x = 7,124.64

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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.