Home / 38,551.95-57,817.53-13,588.74

Finding the Fourth Proportional to 38,551.95, 57,817.53 and 13,588.74

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Solution

The fourth proportional to 38,551.95, 57,817.53 and 13,588.74 is: 20,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.95 : 57,817.53 = 13,588.74 : x
  2. Step 2: Convert to fraction form
    38,551.95/57,817.53 = 13,588.74/x
  3. Step 3: Cross multiply
    38,551.95x = 57,817.53 × 13,588.74
  4. Step 4: Simplify right side
    38,551.95x = 785,667,382.61
  5. Step 5: Solve for x
    x = 785,667,382.61/38,551.95
  6. Step 6: Final answer
    x = 20,379.45

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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.