Home / 13,242.48-19,854.10-6,218.88

Finding the Fourth Proportional to 13,242.48, 19,854.10 and 6,218.88

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Solution

The fourth proportional to 13,242.48, 19,854.10 and 6,218.88 is: 9,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.48 : 19,854.10 = 6,218.88 : x
  2. Step 2: Convert to fraction form
    13,242.48/19,854.10 = 6,218.88/x
  3. Step 3: Cross multiply
    13,242.48x = 19,854.10 × 6,218.88
  4. Step 4: Simplify right side
    13,242.48x = 123,470,265.41
  5. Step 5: Solve for x
    x = 123,470,265.41/13,242.48
  6. Step 6: Final answer
    x = 9,323.80

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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.