Home / 32,901.12-45,403.62-18,753.60

Finding the Fourth Proportional to 32,901.12, 45,403.62 and 18,753.60

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Solution

The fourth proportional to 32,901.12, 45,403.62 and 18,753.60 is: 25,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,901.12 : 45,403.62 = 18,753.60 : x
  2. Step 2: Convert to fraction form
    32,901.12/45,403.62 = 18,753.60/x
  3. Step 3: Cross multiply
    32,901.12x = 45,403.62 × 18,753.60
  4. Step 4: Simplify right side
    32,901.12x = 851,481,328.03
  5. Step 5: Solve for x
    x = 851,481,328.03/32,901.12
  6. Step 6: Final answer
    x = 25,880.01

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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.