Home / 25,221.12-37,833.12-7,692.16

Finding the Fourth Proportional to 25,221.12, 37,833.12 and 7,692.16

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Solution

The fourth proportional to 25,221.12, 37,833.12 and 7,692.16 is: 11,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.12 : 37,833.12 = 7,692.16 : x
  2. Step 2: Convert to fraction form
    25,221.12/37,833.12 = 7,692.16/x
  3. Step 3: Cross multiply
    25,221.12x = 37,833.12 × 7,692.16
  4. Step 4: Simplify right side
    25,221.12x = 291,018,412.34
  5. Step 5: Solve for x
    x = 291,018,412.34/25,221.12
  6. Step 6: Final answer
    x = 11,538.68

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1.5x scale

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.