Home / 15,619.13-23,428.71-6,385.13

Finding the Fourth Proportional to 15,619.13, 23,428.71 and 6,385.13

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Solution

The fourth proportional to 15,619.13, 23,428.71 and 6,385.13 is: 9,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.13 : 23,428.71 = 6,385.13 : x
  2. Step 2: Convert to fraction form
    15,619.13/23,428.71 = 6,385.13/x
  3. Step 3: Cross multiply
    15,619.13x = 23,428.71 × 6,385.13
  4. Step 4: Simplify right side
    15,619.13x = 149,595,241.94
  5. Step 5: Solve for x
    x = 149,595,241.94/15,619.13
  6. Step 6: Final answer
    x = 9,577.70

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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.