Home / 18,582.38-25,643.71-10,624.78

Finding the Fourth Proportional to 18,582.38, 25,643.71 and 10,624.78

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Solution

The fourth proportional to 18,582.38, 25,643.71 and 10,624.78 is: 14,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.38 : 25,643.71 = 10,624.78 : x
  2. Step 2: Convert to fraction form
    18,582.38/25,643.71 = 10,624.78/x
  3. Step 3: Cross multiply
    18,582.38x = 25,643.71 × 10,624.78
  4. Step 4: Simplify right side
    18,582.38x = 272,458,726.14
  5. Step 5: Solve for x
    x = 272,458,726.14/18,582.38
  6. Step 6: Final answer
    x = 14,662.21

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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.