Home / 19,617.68-27,072.18-14,604.32

Finding the Fourth Proportional to 19,617.68, 27,072.18 and 14,604.32

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Solution

The fourth proportional to 19,617.68, 27,072.18 and 14,604.32 is: 20,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.68 : 27,072.18 = 14,604.32 : x
  2. Step 2: Convert to fraction form
    19,617.68/27,072.18 = 14,604.32/x
  3. Step 3: Cross multiply
    19,617.68x = 27,072.18 × 14,604.32
  4. Step 4: Simplify right side
    19,617.68x = 395,370,779.82
  5. Step 5: Solve for x
    x = 395,370,779.82/19,617.68
  6. Step 6: Final answer
    x = 20,153.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.