Home / 25,723.89-38,587.34-9,929.01

Finding the Fourth Proportional to 25,723.89, 38,587.34 and 9,929.01

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Solution

The fourth proportional to 25,723.89, 38,587.34 and 9,929.01 is: 14,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.89 : 38,587.34 = 9,929.01 : x
  2. Step 2: Convert to fraction form
    25,723.89/38,587.34 = 9,929.01/x
  3. Step 3: Cross multiply
    25,723.89x = 38,587.34 × 9,929.01
  4. Step 4: Simplify right side
    25,723.89x = 383,133,891.80
  5. Step 5: Solve for x
    x = 383,133,891.80/25,723.89
  6. Step 6: Final answer
    x = 14,894.09

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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.