Home / 17,629.65-26,428.68-14,487.66

Finding the Fourth Proportional to 17,629.65, 26,428.68 and 14,487.66

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Solution

The fourth proportional to 17,629.65, 26,428.68 and 14,487.66 is: 21,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.65 : 26,428.68 = 14,487.66 : x
  2. Step 2: Convert to fraction form
    17,629.65/26,428.68 = 14,487.66/x
  3. Step 3: Cross multiply
    17,629.65x = 26,428.68 × 14,487.66
  4. Step 4: Simplify right side
    17,629.65x = 382,889,730.09
  5. Step 5: Solve for x
    x = 382,889,730.09/17,629.65
  6. Step 6: Final answer
    x = 21,718.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.