Home / 14,265.57-19,689.21-9,558.06

Finding the Fourth Proportional to 14,265.57, 19,689.21 and 9,558.06

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Solution

The fourth proportional to 14,265.57, 19,689.21 and 9,558.06 is: 13,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.57 : 19,689.21 = 9,558.06 : x
  2. Step 2: Convert to fraction form
    14,265.57/19,689.21 = 9,558.06/x
  3. Step 3: Cross multiply
    14,265.57x = 19,689.21 × 9,558.06
  4. Step 4: Simplify right side
    14,265.57x = 188,190,650.53
  5. Step 5: Solve for x
    x = 188,190,650.53/14,265.57
  6. Step 6: Final answer
    x = 13,191.95

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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.