Home / 25,128.60-37,692.36-7,599.84

Finding the Fourth Proportional to 25,128.60, 37,692.36 and 7,599.84

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Solution

The fourth proportional to 25,128.60, 37,692.36 and 7,599.84 is: 11,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.60 : 37,692.36 = 7,599.84 : x
  2. Step 2: Convert to fraction form
    25,128.60/37,692.36 = 7,599.84/x
  3. Step 3: Cross multiply
    25,128.60x = 37,692.36 × 7,599.84
  4. Step 4: Simplify right side
    25,128.60x = 286,455,905.22
  5. Step 5: Solve for x
    x = 286,455,905.22/25,128.60
  6. Step 6: Final answer
    x = 11,399.60

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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.