Home / 32,820.18-45,292.08-18,673.92

Finding the Fourth Proportional to 32,820.18, 45,292.08 and 18,673.92

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Solution

The fourth proportional to 32,820.18, 45,292.08 and 18,673.92 is: 25,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.18 : 45,292.08 = 18,673.92 : x
  2. Step 2: Convert to fraction form
    32,820.18/45,292.08 = 18,673.92/x
  3. Step 3: Cross multiply
    32,820.18x = 45,292.08 × 18,673.92
  4. Step 4: Simplify right side
    32,820.18x = 845,780,678.55
  5. Step 5: Solve for x
    x = 845,780,678.55/32,820.18
  6. Step 6: Final answer
    x = 25,770.14

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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.