Home / 15,852.78-23,779.14-4,759.44

Finding the Fourth Proportional to 15,852.78, 23,779.14 and 4,759.44

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Solution

The fourth proportional to 15,852.78, 23,779.14 and 4,759.44 is: 7,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.78 : 23,779.14 = 4,759.44 : x
  2. Step 2: Convert to fraction form
    15,852.78/23,779.14 = 4,759.44/x
  3. Step 3: Cross multiply
    15,852.78x = 23,779.14 × 4,759.44
  4. Step 4: Simplify right side
    15,852.78x = 113,175,390.08
  5. Step 5: Solve for x
    x = 113,175,390.08/15,852.78
  6. Step 6: Final answer
    x = 7,139.15

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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.