Home / 17,806.40-24,572.28-10,639.44

Finding the Fourth Proportional to 17,806.40, 24,572.28 and 10,639.44

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Solution

The fourth proportional to 17,806.40, 24,572.28 and 10,639.44 is: 14,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.40 : 24,572.28 = 10,639.44 : x
  2. Step 2: Convert to fraction form
    17,806.40/24,572.28 = 10,639.44/x
  3. Step 3: Cross multiply
    17,806.40x = 24,572.28 × 10,639.44
  4. Step 4: Simplify right side
    17,806.40x = 261,435,298.72
  5. Step 5: Solve for x
    x = 261,435,298.72/17,806.40
  6. Step 6: Final answer
    x = 14,682.10

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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.