Home / 25,929.74-38,902.67-9,289.91

Finding the Fourth Proportional to 25,929.74, 38,902.67 and 9,289.91

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Solution

The fourth proportional to 25,929.74, 38,902.67 and 9,289.91 is: 13,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.74 : 38,902.67 = 9,289.91 : x
  2. Step 2: Convert to fraction form
    25,929.74/38,902.67 = 9,289.91/x
  3. Step 3: Cross multiply
    25,929.74x = 38,902.67 × 9,289.91
  4. Step 4: Simplify right side
    25,929.74x = 361,402,303.06
  5. Step 5: Solve for x
    x = 361,402,303.06/25,929.74
  6. Step 6: Final answer
    x = 13,937.75

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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.