Home / 18,376.74-25,364.41-10,423.62

Finding the Fourth Proportional to 18,376.74, 25,364.41 and 10,423.62

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Solution

The fourth proportional to 18,376.74, 25,364.41 and 10,423.62 is: 14,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.74 : 25,364.41 = 10,423.62 : x
  2. Step 2: Convert to fraction form
    18,376.74/25,364.41 = 10,423.62/x
  3. Step 3: Cross multiply
    18,376.74x = 25,364.41 × 10,423.62
  4. Step 4: Simplify right side
    18,376.74x = 264,388,971.36
  5. Step 5: Solve for x
    x = 264,388,971.36/18,376.74
  6. Step 6: Final answer
    x = 14,387.15

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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.