Home / 22,985.20-31,718.28-14,029.84

Finding the Fourth Proportional to 22,985.20, 31,718.28 and 14,029.84

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Solution

The fourth proportional to 22,985.20, 31,718.28 and 14,029.84 is: 19,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.20 : 31,718.28 = 14,029.84 : x
  2. Step 2: Convert to fraction form
    22,985.20/31,718.28 = 14,029.84/x
  3. Step 3: Cross multiply
    22,985.20x = 31,718.28 × 14,029.84
  4. Step 4: Simplify right side
    22,985.20x = 445,002,393.48
  5. Step 5: Solve for x
    x = 445,002,393.48/22,985.20
  6. Step 6: Final answer
    x = 19,360.39

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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.