Home / 13,432.37-20,148.75-4,667.49

Finding the Fourth Proportional to 13,432.37, 20,148.75 and 4,667.49

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Solution

The fourth proportional to 13,432.37, 20,148.75 and 4,667.49 is: 7,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.37 : 20,148.75 = 4,667.49 : x
  2. Step 2: Convert to fraction form
    13,432.37/20,148.75 = 4,667.49/x
  3. Step 3: Cross multiply
    13,432.37x = 20,148.75 × 4,667.49
  4. Step 4: Simplify right side
    13,432.37x = 94,044,089.14
  5. Step 5: Solve for x
    x = 94,044,089.14/13,432.37
  6. Step 6: Final answer
    x = 7,001.31

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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.