Home / 22,402.02-30,913.86-12,330.36

Finding the Fourth Proportional to 22,402.02, 30,913.86 and 12,330.36

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Solution

The fourth proportional to 22,402.02, 30,913.86 and 12,330.36 is: 17,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.02 : 30,913.86 = 12,330.36 : x
  2. Step 2: Convert to fraction form
    22,402.02/30,913.86 = 12,330.36/x
  3. Step 3: Cross multiply
    22,402.02x = 30,913.86 × 12,330.36
  4. Step 4: Simplify right side
    22,402.02x = 381,179,022.79
  5. Step 5: Solve for x
    x = 381,179,022.79/22,402.02
  6. Step 6: Final answer
    x = 17,015.39

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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.