Home / 25,857.48-38,792.34-9,219

Finding the Fourth Proportional to 25,857.48, 38,792.34 and 9,219

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Solution

The fourth proportional to 25,857.48, 38,792.34 and 9,219 is: 13,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.48 : 38,792.34 = 9,219 : x
  2. Step 2: Convert to fraction form
    25,857.48/38,792.34 = 9,219/x
  3. Step 3: Cross multiply
    25,857.48x = 38,792.34 × 9,219
  4. Step 4: Simplify right side
    25,857.48x = 357,626,582.46
  5. Step 5: Solve for x
    x = 357,626,582.46/25,857.48
  6. Step 6: Final answer
    x = 13,830.68

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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.