Home / 13,417.02-20,126.43-3,556.17

Finding the Fourth Proportional to 13,417.02, 20,126.43 and 3,556.17

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Solution

The fourth proportional to 13,417.02, 20,126.43 and 3,556.17 is: 5,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.02 : 20,126.43 = 3,556.17 : x
  2. Step 2: Convert to fraction form
    13,417.02/20,126.43 = 3,556.17/x
  3. Step 3: Cross multiply
    13,417.02x = 20,126.43 × 3,556.17
  4. Step 4: Simplify right side
    13,417.02x = 71,573,006.57
  5. Step 5: Solve for x
    x = 71,573,006.57/13,417.02
  6. Step 6: Final answer
    x = 5,334.49

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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.