Home / 19,549.88-29,328.54-6,403.04

Finding the Fourth Proportional to 19,549.88, 29,328.54 and 6,403.04

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Solution

The fourth proportional to 19,549.88, 29,328.54 and 6,403.04 is: 9,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.88 : 29,328.54 = 6,403.04 : x
  2. Step 2: Convert to fraction form
    19,549.88/29,328.54 = 6,403.04/x
  3. Step 3: Cross multiply
    19,549.88x = 29,328.54 × 6,403.04
  4. Step 4: Simplify right side
    19,549.88x = 187,791,814.76
  5. Step 5: Solve for x
    x = 187,791,814.76/19,549.88
  6. Step 6: Final answer
    x = 9,605.78

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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.