Home / 43,448.58-65,187.45-13,870.62

Finding the Fourth Proportional to 43,448.58, 65,187.45 and 13,870.62

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Solution

The fourth proportional to 43,448.58, 65,187.45 and 13,870.62 is: 20,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.58 : 65,187.45 = 13,870.62 : x
  2. Step 2: Convert to fraction form
    43,448.58/65,187.45 = 13,870.62/x
  3. Step 3: Cross multiply
    43,448.58x = 65,187.45 × 13,870.62
  4. Step 4: Simplify right side
    43,448.58x = 904,190,347.72
  5. Step 5: Solve for x
    x = 904,190,347.72/43,448.58
  6. Step 6: Final answer
    x = 20,810.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.