Home / 32,772.68-45,228.30-18,628.28

Finding the Fourth Proportional to 32,772.68, 45,228.30 and 18,628.28

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Solution

The fourth proportional to 32,772.68, 45,228.30 and 18,628.28 is: 25,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.68 : 45,228.30 = 18,628.28 : x
  2. Step 2: Convert to fraction form
    32,772.68/45,228.30 = 18,628.28/x
  3. Step 3: Cross multiply
    32,772.68x = 45,228.30 × 18,628.28
  4. Step 4: Simplify right side
    32,772.68x = 842,525,436.32
  5. Step 5: Solve for x
    x = 842,525,436.32/32,772.68
  6. Step 6: Final answer
    x = 25,708.16

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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.