Home / 18,888.03-28,330.25-5,740.52

Finding the Fourth Proportional to 18,888.03, 28,330.25 and 5,740.52

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Solution

The fourth proportional to 18,888.03, 28,330.25 and 5,740.52 is: 8,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.03 : 28,330.25 = 5,740.52 : x
  2. Step 2: Convert to fraction form
    18,888.03/28,330.25 = 5,740.52/x
  3. Step 3: Cross multiply
    18,888.03x = 28,330.25 × 5,740.52
  4. Step 4: Simplify right side
    18,888.03x = 162,630,196.38
  5. Step 5: Solve for x
    x = 162,630,196.38/18,888.03
  6. Step 6: Final answer
    x = 8,610.23

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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.