Home / 32,903.60-45,407.32-18,756.64

Finding the Fourth Proportional to 32,903.60, 45,407.32 and 18,756.64

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Solution

The fourth proportional to 32,903.60, 45,407.32 and 18,756.64 is: 25,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,903.60 : 45,407.32 = 18,756.64 : x
  2. Step 2: Convert to fraction form
    32,903.60/45,407.32 = 18,756.64/x
  3. Step 3: Cross multiply
    32,903.60x = 45,407.32 × 18,756.64
  4. Step 4: Simplify right side
    32,903.60x = 851,688,754.60
  5. Step 5: Solve for x
    x = 851,688,754.60/32,903.60
  6. Step 6: Final answer
    x = 25,884.36

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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.