Home / 13,524.72-18,667.80-7,937.52

Finding the Fourth Proportional to 13,524.72, 18,667.80 and 7,937.52

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Solution

The fourth proportional to 13,524.72, 18,667.80 and 7,937.52 is: 10,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.72 : 18,667.80 = 7,937.52 : x
  2. Step 2: Convert to fraction form
    13,524.72/18,667.80 = 7,937.52/x
  3. Step 3: Cross multiply
    13,524.72x = 18,667.80 × 7,937.52
  4. Step 4: Simplify right side
    13,524.72x = 148,176,035.86
  5. Step 5: Solve for x
    x = 148,176,035.86/13,524.72
  6. Step 6: Final answer
    x = 10,955.94

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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.