Home / 14,512.02-21,768.03-9,612.78

Finding the Fourth Proportional to 14,512.02, 21,768.03 and 9,612.78

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Solution

The fourth proportional to 14,512.02, 21,768.03 and 9,612.78 is: 14,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.02 : 21,768.03 = 9,612.78 : x
  2. Step 2: Convert to fraction form
    14,512.02/21,768.03 = 9,612.78/x
  3. Step 3: Cross multiply
    14,512.02x = 21,768.03 × 9,612.78
  4. Step 4: Simplify right side
    14,512.02x = 209,251,283.42
  5. Step 5: Solve for x
    x = 209,251,283.42/14,512.02
  6. Step 6: Final answer
    x = 14,419.17

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1.5x scale

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.