Home / 18,425.36-25,427.10-10,041.86

Finding the Fourth Proportional to 18,425.36, 25,427.10 and 10,041.86

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Solution

The fourth proportional to 18,425.36, 25,427.10 and 10,041.86 is: 13,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.36 : 25,427.10 = 10,041.86 : x
  2. Step 2: Convert to fraction form
    18,425.36/25,427.10 = 10,041.86/x
  3. Step 3: Cross multiply
    18,425.36x = 25,427.10 × 10,041.86
  4. Step 4: Simplify right side
    18,425.36x = 255,335,378.41
  5. Step 5: Solve for x
    x = 255,335,378.41/18,425.36
  6. Step 6: Final answer
    x = 13,857.82

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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.