Home / 13,851.90-19,087.11-10,698.30

Finding the Fourth Proportional to 13,851.90, 19,087.11 and 10,698.30

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Solution

The fourth proportional to 13,851.90, 19,087.11 and 10,698.30 is: 14,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.90 : 19,087.11 = 10,698.30 : x
  2. Step 2: Convert to fraction form
    13,851.90/19,087.11 = 10,698.30/x
  3. Step 3: Cross multiply
    13,851.90x = 19,087.11 × 10,698.30
  4. Step 4: Simplify right side
    13,851.90x = 204,199,628.91
  5. Step 5: Solve for x
    x = 204,199,628.91/13,851.90
  6. Step 6: Final answer
    x = 14,741.63

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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.