Home / 15,055.90-20,773.08-8,595.59

Finding the Fourth Proportional to 15,055.90, 20,773.08 and 8,595.59

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Solution

The fourth proportional to 15,055.90, 20,773.08 and 8,595.59 is: 11,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.90 : 20,773.08 = 8,595.59 : x
  2. Step 2: Convert to fraction form
    15,055.90/20,773.08 = 8,595.59/x
  3. Step 3: Cross multiply
    15,055.90x = 20,773.08 × 8,595.59
  4. Step 4: Simplify right side
    15,055.90x = 178,556,974.30
  5. Step 5: Solve for x
    x = 178,556,974.30/15,055.90
  6. Step 6: Final answer
    x = 11,859.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.