Home / 18,376.09-25,355.63-10,823.65

Finding the Fourth Proportional to 18,376.09, 25,355.63 and 10,823.65

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Solution

The fourth proportional to 18,376.09, 25,355.63 and 10,823.65 is: 14,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.09 : 25,355.63 = 10,823.65 : x
  2. Step 2: Convert to fraction form
    18,376.09/25,355.63 = 10,823.65/x
  3. Step 3: Cross multiply
    18,376.09x = 25,355.63 × 10,823.65
  4. Step 4: Simplify right side
    18,376.09x = 274,440,464.65
  5. Step 5: Solve for x
    x = 274,440,464.65/18,376.09
  6. Step 6: Final answer
    x = 14,934.65

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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.