Home / 18,624.53-25,696.64-17,689.59

Finding the Fourth Proportional to 18,624.53, 25,696.64 and 17,689.59

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Solution

The fourth proportional to 18,624.53, 25,696.64 and 17,689.59 is: 24,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.53 : 25,696.64 = 17,689.59 : x
  2. Step 2: Convert to fraction form
    18,624.53/25,696.64 = 17,689.59/x
  3. Step 3: Cross multiply
    18,624.53x = 25,696.64 × 17,689.59
  4. Step 4: Simplify right side
    18,624.53x = 454,563,070.20
  5. Step 5: Solve for x
    x = 454,563,070.20/18,624.53
  6. Step 6: Final answer
    x = 24,406.68

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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.