Home / 18,541.21-25,587.53-10,157.71

Finding the Fourth Proportional to 18,541.21, 25,587.53 and 10,157.71

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Solution

The fourth proportional to 18,541.21, 25,587.53 and 10,157.71 is: 14,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.21 : 25,587.53 = 10,157.71 : x
  2. Step 2: Convert to fraction form
    18,541.21/25,587.53 = 10,157.71/x
  3. Step 3: Cross multiply
    18,541.21x = 25,587.53 × 10,157.71
  4. Step 4: Simplify right side
    18,541.21x = 259,910,709.36
  5. Step 5: Solve for x
    x = 259,910,709.36/18,541.21
  6. Step 6: Final answer
    x = 14,018.00

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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.