Home / 15,503.86-23,258.39-7,180.48

Finding the Fourth Proportional to 15,503.86, 23,258.39 and 7,180.48

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Solution

The fourth proportional to 15,503.86, 23,258.39 and 7,180.48 is: 10,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.86 : 23,258.39 = 7,180.48 : x
  2. Step 2: Convert to fraction form
    15,503.86/23,258.39 = 7,180.48/x
  3. Step 3: Cross multiply
    15,503.86x = 23,258.39 × 7,180.48
  4. Step 4: Simplify right side
    15,503.86x = 167,006,404.23
  5. Step 5: Solve for x
    x = 167,006,404.23/15,503.86
  6. Step 6: Final answer
    x = 10,771.92

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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.