Home / 22,312.16-30,793.34-13,359.64

Finding the Fourth Proportional to 22,312.16, 30,793.34 and 13,359.64

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Solution

The fourth proportional to 22,312.16, 30,793.34 and 13,359.64 is: 18,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.16 : 30,793.34 = 13,359.64 : x
  2. Step 2: Convert to fraction form
    22,312.16/30,793.34 = 13,359.64/x
  3. Step 3: Cross multiply
    22,312.16x = 30,793.34 × 13,359.64
  4. Step 4: Simplify right side
    22,312.16x = 411,387,936.80
  5. Step 5: Solve for x
    x = 411,387,936.80/22,312.16
  6. Step 6: Final answer
    x = 18,437.84

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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.