Home / 19,575.51-29,366.93-6,428.62

Finding the Fourth Proportional to 19,575.51, 29,366.93 and 6,428.62

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Solution

The fourth proportional to 19,575.51, 29,366.93 and 6,428.62 is: 9,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.51 : 29,366.93 = 6,428.62 : x
  2. Step 2: Convert to fraction form
    19,575.51/29,366.93 = 6,428.62/x
  3. Step 3: Cross multiply
    19,575.51x = 29,366.93 × 6,428.62
  4. Step 4: Simplify right side
    19,575.51x = 188,788,833.54
  5. Step 5: Solve for x
    x = 188,788,833.54/19,575.51
  6. Step 6: Final answer
    x = 9,644.13

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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.