Home / 13,900.00-19,181.97-7,526.60

Finding the Fourth Proportional to 13,900.00, 19,181.97 and 7,526.60

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Solution

The fourth proportional to 13,900.00, 19,181.97 and 7,526.60 is: 10,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.00 : 19,181.97 = 7,526.60 : x
  2. Step 2: Convert to fraction form
    13,900.00/19,181.97 = 7,526.60/x
  3. Step 3: Cross multiply
    13,900.00x = 19,181.97 × 7,526.60
  4. Step 4: Simplify right side
    13,900.00x = 144,374,963.20
  5. Step 5: Solve for x
    x = 144,374,963.20/13,900.00
  6. Step 6: Final answer
    x = 10,386.69

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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.