Home / 38,583.84-57,861.08-13,619.24

Finding the Fourth Proportional to 38,583.84, 57,861.08 and 13,619.24

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Solution

The fourth proportional to 38,583.84, 57,861.08 and 13,619.24 is: 20,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.84 : 57,861.08 = 13,619.24 : x
  2. Step 2: Convert to fraction form
    38,583.84/57,861.08 = 13,619.24/x
  3. Step 3: Cross multiply
    38,583.84x = 57,861.08 × 13,619.24
  4. Step 4: Simplify right side
    38,583.84x = 788,023,935.18
  5. Step 5: Solve for x
    x = 788,023,935.18/38,583.84
  6. Step 6: Final answer
    x = 20,423.68

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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.