Home / 32,666.09-45,078.12-18,325.04

Finding the Fourth Proportional to 32,666.09, 45,078.12 and 18,325.04

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Solution

The fourth proportional to 32,666.09, 45,078.12 and 18,325.04 is: 25,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.09 : 45,078.12 = 18,325.04 : x
  2. Step 2: Convert to fraction form
    32,666.09/45,078.12 = 18,325.04/x
  3. Step 3: Cross multiply
    32,666.09x = 45,078.12 × 18,325.04
  4. Step 4: Simplify right side
    32,666.09x = 826,058,126.73
  5. Step 5: Solve for x
    x = 826,058,126.73/32,666.09
  6. Step 6: Final answer
    x = 25,287.94

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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.