Home / 21,582.90-32,362.07-10,486.62

Finding the Fourth Proportional to 21,582.90, 32,362.07 and 10,486.62

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Solution

The fourth proportional to 21,582.90, 32,362.07 and 10,486.62 is: 15,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.90 : 32,362.07 = 10,486.62 : x
  2. Step 2: Convert to fraction form
    21,582.90/32,362.07 = 10,486.62/x
  3. Step 3: Cross multiply
    21,582.90x = 32,362.07 × 10,486.62
  4. Step 4: Simplify right side
    21,582.90x = 339,368,678.07
  5. Step 5: Solve for x
    x = 339,368,678.07/21,582.90
  6. Step 6: Final answer
    x = 15,723.96

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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.