Home / 15,428.30-23,137.65-5,566.29

Finding the Fourth Proportional to 15,428.30, 23,137.65 and 5,566.29

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Solution

The fourth proportional to 15,428.30, 23,137.65 and 5,566.29 is: 8,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.30 : 23,137.65 = 5,566.29 : x
  2. Step 2: Convert to fraction form
    15,428.30/23,137.65 = 5,566.29/x
  3. Step 3: Cross multiply
    15,428.30x = 23,137.65 × 5,566.29
  4. Step 4: Simplify right side
    15,428.30x = 128,790,783.05
  5. Step 5: Solve for x
    x = 128,790,783.05/15,428.30
  6. Step 6: Final answer
    x = 8,347.70

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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.