Home / 13,255.48-19,885.12-4,934.80

Finding the Fourth Proportional to 13,255.48, 19,885.12 and 4,934.80

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Solution

The fourth proportional to 13,255.48, 19,885.12 and 4,934.80 is: 7,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.48 : 19,885.12 = 4,934.80 : x
  2. Step 2: Convert to fraction form
    13,255.48/19,885.12 = 4,934.80/x
  3. Step 3: Cross multiply
    13,255.48x = 19,885.12 × 4,934.80
  4. Step 4: Simplify right side
    13,255.48x = 98,129,090.18
  5. Step 5: Solve for x
    x = 98,129,090.18/13,255.48
  6. Step 6: Final answer
    x = 7,402.91

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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.