Home / 32,712.35-45,139.46-18,369.27

Finding the Fourth Proportional to 32,712.35, 45,139.46 and 18,369.27

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Solution

The fourth proportional to 32,712.35, 45,139.46 and 18,369.27 is: 25,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.35 : 45,139.46 = 18,369.27 : x
  2. Step 2: Convert to fraction form
    32,712.35/45,139.46 = 18,369.27/x
  3. Step 3: Cross multiply
    32,712.35x = 45,139.46 × 18,369.27
  4. Step 4: Simplify right side
    32,712.35x = 829,178,836.55
  5. Step 5: Solve for x
    x = 829,178,836.55/32,712.35
  6. Step 6: Final answer
    x = 25,347.58

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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.