Home / 18,829.84-25,984.10-10,330.28

Finding the Fourth Proportional to 18,829.84, 25,984.10 and 10,330.28

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Solution

The fourth proportional to 18,829.84, 25,984.10 and 10,330.28 is: 14,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.84 : 25,984.10 = 10,330.28 : x
  2. Step 2: Convert to fraction form
    18,829.84/25,984.10 = 10,330.28/x
  3. Step 3: Cross multiply
    18,829.84x = 25,984.10 × 10,330.28
  4. Step 4: Simplify right side
    18,829.84x = 268,423,028.55
  5. Step 5: Solve for x
    x = 268,423,028.55/18,829.84
  6. Step 6: Final answer
    x = 14,255.19

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1.5x scale

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.