Home / 32,615.43-45,008.64-18,275.09

Finding the Fourth Proportional to 32,615.43, 45,008.64 and 18,275.09

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Solution

The fourth proportional to 32,615.43, 45,008.64 and 18,275.09 is: 25,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.43 : 45,008.64 = 18,275.09 : x
  2. Step 2: Convert to fraction form
    32,615.43/45,008.64 = 18,275.09/x
  3. Step 3: Cross multiply
    32,615.43x = 45,008.64 × 18,275.09
  4. Step 4: Simplify right side
    32,615.43x = 822,536,721.73
  5. Step 5: Solve for x
    x = 822,536,721.73/32,615.43
  6. Step 6: Final answer
    x = 25,219.25

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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.