Home / 28,513.54-39,350.18-17,186.63

Finding the Fourth Proportional to 28,513.54, 39,350.18 and 17,186.63

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Solution

The fourth proportional to 28,513.54, 39,350.18 and 17,186.63 is: 23,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.54 : 39,350.18 = 17,186.63 : x
  2. Step 2: Convert to fraction form
    28,513.54/39,350.18 = 17,186.63/x
  3. Step 3: Cross multiply
    28,513.54x = 39,350.18 × 17,186.63
  4. Step 4: Simplify right side
    28,513.54x = 676,296,898.16
  5. Step 5: Solve for x
    x = 676,296,898.16/28,513.54
  6. Step 6: Final answer
    x = 23,718.45

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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.