Home / 28,527.94-42,773.68-11,899.45

Finding the Fourth Proportional to 28,527.94, 42,773.68 and 11,899.45

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Solution

The fourth proportional to 28,527.94, 42,773.68 and 11,899.45 is: 17,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.94 : 42,773.68 = 11,899.45 : x
  2. Step 2: Convert to fraction form
    28,527.94/42,773.68 = 11,899.45/x
  3. Step 3: Cross multiply
    28,527.94x = 42,773.68 × 11,899.45
  4. Step 4: Simplify right side
    28,527.94x = 508,983,266.48
  5. Step 5: Solve for x
    x = 508,983,266.48/28,527.94
  6. Step 6: Final answer
    x = 17,841.57

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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.