Home / 18,581.65-25,647.17-10,628.37

Finding the Fourth Proportional to 18,581.65, 25,647.17 and 10,628.37

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Solution

The fourth proportional to 18,581.65, 25,647.17 and 10,628.37 is: 14,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.65 : 25,647.17 = 10,628.37 : x
  2. Step 2: Convert to fraction form
    18,581.65/25,647.17 = 10,628.37/x
  3. Step 3: Cross multiply
    18,581.65x = 25,647.17 × 10,628.37
  4. Step 4: Simplify right side
    18,581.65x = 272,587,559.07
  5. Step 5: Solve for x
    x = 272,587,559.07/18,581.65
  6. Step 6: Final answer
    x = 14,669.72

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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.