Home / 19,922.46-29,902.16-10,068.68

Finding the Fourth Proportional to 19,922.46, 29,902.16 and 10,068.68

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Solution

The fourth proportional to 19,922.46, 29,902.16 and 10,068.68 is: 15,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.46 : 29,902.16 = 10,068.68 : x
  2. Step 2: Convert to fraction form
    19,922.46/29,902.16 = 10,068.68/x
  3. Step 3: Cross multiply
    19,922.46x = 29,902.16 × 10,068.68
  4. Step 4: Simplify right side
    19,922.46x = 301,075,080.49
  5. Step 5: Solve for x
    x = 301,075,080.49/19,922.46
  6. Step 6: Final answer
    x = 15,112.34

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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.