Home / 32,810.22-45,278.28-18,663.30

Finding the Fourth Proportional to 32,810.22, 45,278.28 and 18,663.30

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Solution

The fourth proportional to 32,810.22, 45,278.28 and 18,663.30 is: 25,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,810.22 : 45,278.28 = 18,663.30 : x
  2. Step 2: Convert to fraction form
    32,810.22/45,278.28 = 18,663.30/x
  3. Step 3: Cross multiply
    32,810.22x = 45,278.28 × 18,663.30
  4. Step 4: Simplify right side
    32,810.22x = 845,042,123.12
  5. Step 5: Solve for x
    x = 845,042,123.12/32,810.22
  6. Step 6: Final answer
    x = 25,755.45

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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.