Home / 32,638.58-45,041.13-18,494.12

Finding the Fourth Proportional to 32,638.58, 45,041.13 and 18,494.12

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Solution

The fourth proportional to 32,638.58, 45,041.13 and 18,494.12 is: 25,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.58 : 45,041.13 = 18,494.12 : x
  2. Step 2: Convert to fraction form
    32,638.58/45,041.13 = 18,494.12/x
  3. Step 3: Cross multiply
    32,638.58x = 45,041.13 × 18,494.12
  4. Step 4: Simplify right side
    32,638.58x = 832,996,063.16
  5. Step 5: Solve for x
    x = 832,996,063.16/32,638.58
  6. Step 6: Final answer
    x = 25,521.82

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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.