Home / 13,852.47-20,763.27-5,530.35

Finding the Fourth Proportional to 13,852.47, 20,763.27 and 5,530.35

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Solution

The fourth proportional to 13,852.47, 20,763.27 and 5,530.35 is: 8,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.47 : 20,763.27 = 5,530.35 : x
  2. Step 2: Convert to fraction form
    13,852.47/20,763.27 = 5,530.35/x
  3. Step 3: Cross multiply
    13,852.47x = 20,763.27 × 5,530.35
  4. Step 4: Simplify right side
    13,852.47x = 114,828,150.24
  5. Step 5: Solve for x
    x = 114,828,150.24/13,852.47
  6. Step 6: Final answer
    x = 8,289.36

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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.