Home / 32,859.12-45,334.20-18,708.36

Finding the Fourth Proportional to 32,859.12, 45,334.20 and 18,708.36

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Solution

The fourth proportional to 32,859.12, 45,334.20 and 18,708.36 is: 25,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.12 : 45,334.20 = 18,708.36 : x
  2. Step 2: Convert to fraction form
    32,859.12/45,334.20 = 18,708.36/x
  3. Step 3: Cross multiply
    32,859.12x = 45,334.20 × 18,708.36
  4. Step 4: Simplify right side
    32,859.12x = 848,128,533.91
  5. Step 5: Solve for x
    x = 848,128,533.91/32,859.12
  6. Step 6: Final answer
    x = 25,811.05

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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.