Home / 32,619.51-45,015.12-18,475.11

Finding the Fourth Proportional to 32,619.51, 45,015.12 and 18,475.11

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Solution

The fourth proportional to 32,619.51, 45,015.12 and 18,475.11 is: 25,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.51 : 45,015.12 = 18,475.11 : x
  2. Step 2: Convert to fraction form
    32,619.51/45,015.12 = 18,475.11/x
  3. Step 3: Cross multiply
    32,619.51x = 45,015.12 × 18,475.11
  4. Step 4: Simplify right side
    32,619.51x = 831,659,293.66
  5. Step 5: Solve for x
    x = 831,659,293.66/32,619.51
  6. Step 6: Final answer
    x = 25,495.76

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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.