Home / 13,607.48-20,417.06-7,371.88

Finding the Fourth Proportional to 13,607.48, 20,417.06 and 7,371.88

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Solution

The fourth proportional to 13,607.48, 20,417.06 and 7,371.88 is: 11,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.48 : 20,417.06 = 7,371.88 : x
  2. Step 2: Convert to fraction form
    13,607.48/20,417.06 = 7,371.88/x
  3. Step 3: Cross multiply
    13,607.48x = 20,417.06 × 7,371.88
  4. Step 4: Simplify right side
    13,607.48x = 150,512,116.27
  5. Step 5: Solve for x
    x = 150,512,116.27/13,607.48
  6. Step 6: Final answer
    x = 11,060.98

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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.