Home / 22,392.02-30,901.43-12,966.05

Finding the Fourth Proportional to 22,392.02, 30,901.43 and 12,966.05

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Solution

The fourth proportional to 22,392.02, 30,901.43 and 12,966.05 is: 17,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.02 : 30,901.43 = 12,966.05 : x
  2. Step 2: Convert to fraction form
    22,392.02/30,901.43 = 12,966.05/x
  3. Step 3: Cross multiply
    22,392.02x = 30,901.43 × 12,966.05
  4. Step 4: Simplify right side
    22,392.02x = 400,669,486.45
  5. Step 5: Solve for x
    x = 400,669,486.45/22,392.02
  6. Step 6: Final answer
    x = 17,893.41

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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.