Home / 15,428.92-23,138.59-5,566.91

Finding the Fourth Proportional to 15,428.92, 23,138.59 and 5,566.91

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Solution

The fourth proportional to 15,428.92, 23,138.59 and 5,566.91 is: 8,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.92 : 23,138.59 = 5,566.91 : x
  2. Step 2: Convert to fraction form
    15,428.92/23,138.59 = 5,566.91/x
  3. Step 3: Cross multiply
    15,428.92x = 23,138.59 × 5,566.91
  4. Step 4: Simplify right side
    15,428.92x = 128,810,420.22
  5. Step 5: Solve for x
    x = 128,810,420.22/15,428.92
  6. Step 6: Final answer
    x = 8,348.64

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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.