Home / 32,618.14-45,021.10-18,479.32

Finding the Fourth Proportional to 32,618.14, 45,021.10 and 18,479.32

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Solution

The fourth proportional to 32,618.14, 45,021.10 and 18,479.32 is: 25,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,618.14 : 45,021.10 = 18,479.32 : x
  2. Step 2: Convert to fraction form
    32,618.14/45,021.10 = 18,479.32/x
  3. Step 3: Cross multiply
    32,618.14x = 45,021.10 × 18,479.32
  4. Step 4: Simplify right side
    32,618.14x = 831,959,313.65
  5. Step 5: Solve for x
    x = 831,959,313.65/32,618.14
  6. Step 6: Final answer
    x = 25,506.03

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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.