Home / 21,752.02-30,078.20-17,267.99

Finding the Fourth Proportional to 21,752.02, 30,078.20 and 17,267.99

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Solution

The fourth proportional to 21,752.02, 30,078.20 and 17,267.99 is: 23,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.02 : 30,078.20 = 17,267.99 : x
  2. Step 2: Convert to fraction form
    21,752.02/30,078.20 = 17,267.99/x
  3. Step 3: Cross multiply
    21,752.02x = 30,078.20 × 17,267.99
  4. Step 4: Simplify right side
    21,752.02x = 519,390,056.82
  5. Step 5: Solve for x
    x = 519,390,056.82/21,752.02
  6. Step 6: Final answer
    x = 23,877.78

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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.