Home / 15,792.84-21,784.68-9,504

Finding the Fourth Proportional to 15,792.84, 21,784.68 and 9,504

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Solution

The fourth proportional to 15,792.84, 21,784.68 and 9,504 is: 13,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.84 : 21,784.68 = 9,504 : x
  2. Step 2: Convert to fraction form
    15,792.84/21,784.68 = 9,504/x
  3. Step 3: Cross multiply
    15,792.84x = 21,784.68 × 9,504
  4. Step 4: Simplify right side
    15,792.84x = 207,041,598.72
  5. Step 5: Solve for x
    x = 207,041,598.72/15,792.84
  6. Step 6: Final answer
    x = 13,109.84

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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.