Home / 22,782.39-31,452.62-14,820.63

Finding the Fourth Proportional to 22,782.39, 31,452.62 and 14,820.63

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Solution

The fourth proportional to 22,782.39, 31,452.62 and 14,820.63 is: 20,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.39 : 31,452.62 = 14,820.63 : x
  2. Step 2: Convert to fraction form
    22,782.39/31,452.62 = 14,820.63/x
  3. Step 3: Cross multiply
    22,782.39x = 31,452.62 × 14,820.63
  4. Step 4: Simplify right side
    22,782.39x = 466,147,569.45
  5. Step 5: Solve for x
    x = 466,147,569.45/22,782.39
  6. Step 6: Final answer
    x = 20,460.87

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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.