Home / 22,242.44-30,689.40-13,292.84

Finding the Fourth Proportional to 22,242.44, 30,689.40 and 13,292.84

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Solution

The fourth proportional to 22,242.44, 30,689.40 and 13,292.84 is: 18,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.44 : 30,689.40 = 13,292.84 : x
  2. Step 2: Convert to fraction form
    22,242.44/30,689.40 = 13,292.84/x
  3. Step 3: Cross multiply
    22,242.44x = 30,689.40 × 13,292.84
  4. Step 4: Simplify right side
    22,242.44x = 407,949,283.90
  5. Step 5: Solve for x
    x = 407,949,283.90/22,242.44
  6. Step 6: Final answer
    x = 18,341.03

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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.