Home / 15,428.16-23,115.36-9,588.96

Finding the Fourth Proportional to 15,428.16, 23,115.36 and 9,588.96

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Solution

The fourth proportional to 15,428.16, 23,115.36 and 9,588.96 is: 14,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.16 : 23,115.36 = 9,588.96 : x
  2. Step 2: Convert to fraction form
    15,428.16/23,115.36 = 9,588.96/x
  3. Step 3: Cross multiply
    15,428.16x = 23,115.36 × 9,588.96
  4. Step 4: Simplify right side
    15,428.16x = 221,652,262.43
  5. Step 5: Solve for x
    x = 221,652,262.43/15,428.16
  6. Step 6: Final answer
    x = 14,366.73

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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.