Home / 18,525.36-25,565-10,141.84

Finding the Fourth Proportional to 18,525.36, 25,565 and 10,141.84

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Solution

The fourth proportional to 18,525.36, 25,565 and 10,141.84 is: 13,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.36 : 25,565 = 10,141.84 : x
  2. Step 2: Convert to fraction form
    18,525.36/25,565 = 10,141.84/x
  3. Step 3: Cross multiply
    18,525.36x = 25,565 × 10,141.84
  4. Step 4: Simplify right side
    18,525.36x = 259,276,139.60
  5. Step 5: Solve for x
    x = 259,276,139.60/18,525.36
  6. Step 6: Final answer
    x = 13,995.74

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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.