Home / 13,526.97-18,691.07-10,410.09

Finding the Fourth Proportional to 13,526.97, 18,691.07 and 10,410.09

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Solution

The fourth proportional to 13,526.97, 18,691.07 and 10,410.09 is: 14,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.97 : 18,691.07 = 10,410.09 : x
  2. Step 2: Convert to fraction form
    13,526.97/18,691.07 = 10,410.09/x
  3. Step 3: Cross multiply
    13,526.97x = 18,691.07 × 10,410.09
  4. Step 4: Simplify right side
    13,526.97x = 194,575,668.85
  5. Step 5: Solve for x
    x = 194,575,668.85/13,526.97
  6. Step 6: Final answer
    x = 14,384.28

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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.