Home / 18,574.32-25,634.40-10,617.69

Finding the Fourth Proportional to 18,574.32, 25,634.40 and 10,617.69

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Solution

The fourth proportional to 18,574.32, 25,634.40 and 10,617.69 is: 14,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.32 : 25,634.40 = 10,617.69 : x
  2. Step 2: Convert to fraction form
    18,574.32/25,634.40 = 10,617.69/x
  3. Step 3: Cross multiply
    18,574.32x = 25,634.40 × 10,617.69
  4. Step 4: Simplify right side
    18,574.32x = 272,178,112.54
  5. Step 5: Solve for x
    x = 272,178,112.54/18,574.32
  6. Step 6: Final answer
    x = 14,653.46

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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.