Home / 19,557.05-29,335.82-12,935.93

Finding the Fourth Proportional to 19,557.05, 29,335.82 and 12,935.93

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Solution

The fourth proportional to 19,557.05, 29,335.82 and 12,935.93 is: 19,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.05 : 29,335.82 = 12,935.93 : x
  2. Step 2: Convert to fraction form
    19,557.05/29,335.82 = 12,935.93/x
  3. Step 3: Cross multiply
    19,557.05x = 29,335.82 × 12,935.93
  4. Step 4: Simplify right side
    19,557.05x = 379,485,902.65
  5. Step 5: Solve for x
    x = 379,485,902.65/19,557.05
  6. Step 6: Final answer
    x = 19,404.05

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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.