Home / 15,501.86-23,255.39-7,178.48

Finding the Fourth Proportional to 15,501.86, 23,255.39 and 7,178.48

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Solution

The fourth proportional to 15,501.86, 23,255.39 and 7,178.48 is: 10,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.86 : 23,255.39 = 7,178.48 : x
  2. Step 2: Convert to fraction form
    15,501.86/23,255.39 = 7,178.48/x
  3. Step 3: Cross multiply
    15,501.86x = 23,255.39 × 7,178.48
  4. Step 4: Simplify right side
    15,501.86x = 166,938,253.68
  5. Step 5: Solve for x
    x = 166,938,253.68/15,501.86
  6. Step 6: Final answer
    x = 10,768.92

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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.