Home / 25,349.84-38,026.79-7,579.20

Finding the Fourth Proportional to 25,349.84, 38,026.79 and 7,579.20

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Solution

The fourth proportional to 25,349.84, 38,026.79 and 7,579.20 is: 11,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.84 : 38,026.79 = 7,579.20 : x
  2. Step 2: Convert to fraction form
    25,349.84/38,026.79 = 7,579.20/x
  3. Step 3: Cross multiply
    25,349.84x = 38,026.79 × 7,579.20
  4. Step 4: Simplify right side
    25,349.84x = 288,212,646.77
  5. Step 5: Solve for x
    x = 288,212,646.77/25,349.84
  6. Step 6: Final answer
    x = 11,369.41

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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.