Home / 18,568.84-25,624.86-10,185.28

Finding the Fourth Proportional to 18,568.84, 25,624.86 and 10,185.28

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Solution

The fourth proportional to 18,568.84, 25,624.86 and 10,185.28 is: 14,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.84 : 25,624.86 = 10,185.28 : x
  2. Step 2: Convert to fraction form
    18,568.84/25,624.86 = 10,185.28/x
  3. Step 3: Cross multiply
    18,568.84x = 25,624.86 × 10,185.28
  4. Step 4: Simplify right side
    18,568.84x = 260,996,374.06
  5. Step 5: Solve for x
    x = 260,996,374.06/18,568.84
  6. Step 6: Final answer
    x = 14,055.61

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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.