Home / 18,637.41-25,720.21-10,682.13

Finding the Fourth Proportional to 18,637.41, 25,720.21 and 10,682.13

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Solution

The fourth proportional to 18,637.41, 25,720.21 and 10,682.13 is: 14,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.41 : 25,720.21 = 10,682.13 : x
  2. Step 2: Convert to fraction form
    18,637.41/25,720.21 = 10,682.13/x
  3. Step 3: Cross multiply
    18,637.41x = 25,720.21 × 10,682.13
  4. Step 4: Simplify right side
    18,637.41x = 274,746,471.54
  5. Step 5: Solve for x
    x = 274,746,471.54/18,637.41
  6. Step 6: Final answer
    x = 14,741.67

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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.