Home / 25,128.60-37,682.10-10,332.60

Finding the Fourth Proportional to 25,128.60, 37,682.10 and 10,332.60

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Solution

The fourth proportional to 25,128.60, 37,682.10 and 10,332.60 is: 15,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.60 : 37,682.10 = 10,332.60 : x
  2. Step 2: Convert to fraction form
    25,128.60/37,682.10 = 10,332.60/x
  3. Step 3: Cross multiply
    25,128.60x = 37,682.10 × 10,332.60
  4. Step 4: Simplify right side
    25,128.60x = 389,354,066.46
  5. Step 5: Solve for x
    x = 389,354,066.46/25,128.60
  6. Step 6: Final answer
    x = 15,494.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.