Home / 18,341.55-25,310.52-10,384.47

Finding the Fourth Proportional to 18,341.55, 25,310.52 and 10,384.47

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Solution

The fourth proportional to 18,341.55, 25,310.52 and 10,384.47 is: 14,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.55 : 25,310.52 = 10,384.47 : x
  2. Step 2: Convert to fraction form
    18,341.55/25,310.52 = 10,384.47/x
  3. Step 3: Cross multiply
    18,341.55x = 25,310.52 × 10,384.47
  4. Step 4: Simplify right side
    18,341.55x = 262,836,335.62
  5. Step 5: Solve for x
    x = 262,836,335.62/18,341.55
  6. Step 6: Final answer
    x = 14,330.10

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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.