Home / 22,345.74-30,838.73-14,778.99

Finding the Fourth Proportional to 22,345.74, 30,838.73 and 14,778.99

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Solution

The fourth proportional to 22,345.74, 30,838.73 and 14,778.99 is: 20,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.74 : 30,838.73 = 14,778.99 : x
  2. Step 2: Convert to fraction form
    22,345.74/30,838.73 = 14,778.99/x
  3. Step 3: Cross multiply
    22,345.74x = 30,838.73 × 14,778.99
  4. Step 4: Simplify right side
    22,345.74x = 455,765,208.39
  5. Step 5: Solve for x
    x = 455,765,208.39/22,345.74
  6. Step 6: Final answer
    x = 20,396.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.