Home / 17,639.80-24,343.50-10,083.40

Finding the Fourth Proportional to 17,639.80, 24,343.50 and 10,083.40

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Solution

The fourth proportional to 17,639.80, 24,343.50 and 10,083.40 is: 13,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.80 : 24,343.50 = 10,083.40 : x
  2. Step 2: Convert to fraction form
    17,639.80/24,343.50 = 10,083.40/x
  3. Step 3: Cross multiply
    17,639.80x = 24,343.50 × 10,083.40
  4. Step 4: Simplify right side
    17,639.80x = 245,465,247.90
  5. Step 5: Solve for x
    x = 245,465,247.90/17,639.80
  6. Step 6: Final answer
    x = 13,915.42

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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.