Home / 28,146.14-38,838.70-17,536.94

Finding the Fourth Proportional to 28,146.14, 38,838.70 and 17,536.94

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Solution

The fourth proportional to 28,146.14, 38,838.70 and 17,536.94 is: 24,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.14 : 38,838.70 = 17,536.94 : x
  2. Step 2: Convert to fraction form
    28,146.14/38,838.70 = 17,536.94/x
  3. Step 3: Cross multiply
    28,146.14x = 38,838.70 × 17,536.94
  4. Step 4: Simplify right side
    28,146.14x = 681,111,713.54
  5. Step 5: Solve for x
    x = 681,111,713.54/28,146.14
  6. Step 6: Final answer
    x = 24,199.12

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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.