Home / 15,772.48-23,662.80-5,384.32

Finding the Fourth Proportional to 15,772.48, 23,662.80 and 5,384.32

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Solution

The fourth proportional to 15,772.48, 23,662.80 and 5,384.32 is: 8,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.48 : 23,662.80 = 5,384.32 : x
  2. Step 2: Convert to fraction form
    15,772.48/23,662.80 = 5,384.32/x
  3. Step 3: Cross multiply
    15,772.48x = 23,662.80 × 5,384.32
  4. Step 4: Simplify right side
    15,772.48x = 127,408,087.30
  5. Step 5: Solve for x
    x = 127,408,087.30/15,772.48
  6. Step 6: Final answer
    x = 8,077.87

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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.