Home / 28,192.13-38,905.14-17,014.13

Finding the Fourth Proportional to 28,192.13, 38,905.14 and 17,014.13

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Solution

The fourth proportional to 28,192.13, 38,905.14 and 17,014.13 is: 23,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.13 : 38,905.14 = 17,014.13 : x
  2. Step 2: Convert to fraction form
    28,192.13/38,905.14 = 17,014.13/x
  3. Step 3: Cross multiply
    28,192.13x = 38,905.14 × 17,014.13
  4. Step 4: Simplify right side
    28,192.13x = 661,936,830.03
  5. Step 5: Solve for x
    x = 661,936,830.03/28,192.13
  6. Step 6: Final answer
    x = 23,479.49

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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.