Home / 13,417.55-20,126.31-5,095.58

Finding the Fourth Proportional to 13,417.55, 20,126.31 and 5,095.58

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Solution

The fourth proportional to 13,417.55, 20,126.31 and 5,095.58 is: 7,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.55 : 20,126.31 = 5,095.58 : x
  2. Step 2: Convert to fraction form
    13,417.55/20,126.31 = 5,095.58/x
  3. Step 3: Cross multiply
    13,417.55x = 20,126.31 × 5,095.58
  4. Step 4: Simplify right side
    13,417.55x = 102,555,102.97
  5. Step 5: Solve for x
    x = 102,555,102.97/13,417.55
  6. Step 6: Final answer
    x = 7,643.36

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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.