Home / 32,899.12-45,400.86-18,751.60

Finding the Fourth Proportional to 32,899.12, 45,400.86 and 18,751.60

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Solution

The fourth proportional to 32,899.12, 45,400.86 and 18,751.60 is: 25,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,899.12 : 45,400.86 = 18,751.60 : x
  2. Step 2: Convert to fraction form
    32,899.12/45,400.86 = 18,751.60/x
  3. Step 3: Cross multiply
    32,899.12x = 45,400.86 × 18,751.60
  4. Step 4: Simplify right side
    32,899.12x = 851,338,766.38
  5. Step 5: Solve for x
    x = 851,338,766.38/32,899.12
  6. Step 6: Final answer
    x = 25,877.25

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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.