Home / 22,193.96-30,585.26-15,895.40

Finding the Fourth Proportional to 22,193.96, 30,585.26 and 15,895.40

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Solution

The fourth proportional to 22,193.96, 30,585.26 and 15,895.40 is: 21,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.96 : 30,585.26 = 15,895.40 : x
  2. Step 2: Convert to fraction form
    22,193.96/30,585.26 = 15,895.40/x
  3. Step 3: Cross multiply
    22,193.96x = 30,585.26 × 15,895.40
  4. Step 4: Simplify right side
    22,193.96x = 486,164,828.62
  5. Step 5: Solve for x
    x = 486,164,828.62/22,193.96
  6. Step 6: Final answer
    x = 21,905.28

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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.