Home / 28,527.53-42,755.65-13,732.49

Finding the Fourth Proportional to 28,527.53, 42,755.65 and 13,732.49

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Solution

The fourth proportional to 28,527.53, 42,755.65 and 13,732.49 is: 20,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.53 : 42,755.65 = 13,732.49 : x
  2. Step 2: Convert to fraction form
    28,527.53/42,755.65 = 13,732.49/x
  3. Step 3: Cross multiply
    28,527.53x = 42,755.65 × 13,732.49
  4. Step 4: Simplify right side
    28,527.53x = 587,141,536.07
  5. Step 5: Solve for x
    x = 587,141,536.07/28,527.53
  6. Step 6: Final answer
    x = 20,581.58

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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.