Home / 32,815.40-45,284.20-18,475.97

Finding the Fourth Proportional to 32,815.40, 45,284.20 and 18,475.97

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Solution

The fourth proportional to 32,815.40, 45,284.20 and 18,475.97 is: 25,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.40 : 45,284.20 = 18,475.97 : x
  2. Step 2: Convert to fraction form
    32,815.40/45,284.20 = 18,475.97/x
  3. Step 3: Cross multiply
    32,815.40x = 45,284.20 × 18,475.97
  4. Step 4: Simplify right side
    32,815.40x = 836,669,248.06
  5. Step 5: Solve for x
    x = 836,669,248.06/32,815.40
  6. Step 6: Final answer
    x = 25,496.24

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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.