Home / 15,548.54-23,312.28-5,015.39

Finding the Fourth Proportional to 15,548.54, 23,312.28 and 5,015.39

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Solution

The fourth proportional to 15,548.54, 23,312.28 and 5,015.39 is: 7,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.54 : 23,312.28 = 5,015.39 : x
  2. Step 2: Convert to fraction form
    15,548.54/23,312.28 = 5,015.39/x
  3. Step 3: Cross multiply
    15,548.54x = 23,312.28 × 5,015.39
  4. Step 4: Simplify right side
    15,548.54x = 116,920,175.99
  5. Step 5: Solve for x
    x = 116,920,175.99/15,548.54
  6. Step 6: Final answer
    x = 7,519.69

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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.