Home / 17,756.30-26,609.06-13,039.31

Finding the Fourth Proportional to 17,756.30, 26,609.06 and 13,039.31

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Solution

The fourth proportional to 17,756.30, 26,609.06 and 13,039.31 is: 19,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.30 : 26,609.06 = 13,039.31 : x
  2. Step 2: Convert to fraction form
    17,756.30/26,609.06 = 13,039.31/x
  3. Step 3: Cross multiply
    17,756.30x = 26,609.06 × 13,039.31
  4. Step 4: Simplify right side
    17,756.30x = 346,963,681.70
  5. Step 5: Solve for x
    x = 346,963,681.70/17,756.30
  6. Step 6: Final answer
    x = 19,540.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.