Home / 13,674.52-18,860.10-9,898.24

Finding the Fourth Proportional to 13,674.52, 18,860.10 and 9,898.24

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Solution

The fourth proportional to 13,674.52, 18,860.10 and 9,898.24 is: 13,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.52 : 18,860.10 = 9,898.24 : x
  2. Step 2: Convert to fraction form
    13,674.52/18,860.10 = 9,898.24/x
  3. Step 3: Cross multiply
    13,674.52x = 18,860.10 × 9,898.24
  4. Step 4: Simplify right side
    13,674.52x = 186,681,796.22
  5. Step 5: Solve for x
    x = 186,681,796.22/13,674.52
  6. Step 6: Final answer
    x = 13,651.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.