Home / 13,900.25-19,182.30-7,526.84

Finding the Fourth Proportional to 13,900.25, 19,182.30 and 7,526.84

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Solution

The fourth proportional to 13,900.25, 19,182.30 and 7,526.84 is: 10,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.25 : 19,182.30 = 7,526.84 : x
  2. Step 2: Convert to fraction form
    13,900.25/19,182.30 = 7,526.84/x
  3. Step 3: Cross multiply
    13,900.25x = 19,182.30 × 7,526.84
  4. Step 4: Simplify right side
    13,900.25x = 144,382,179.11
  5. Step 5: Solve for x
    x = 144,382,179.11/13,900.25
  6. Step 6: Final answer
    x = 10,387.02

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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.