Home / 22,426.56-30,724.52-21,585.76

Finding the Fourth Proportional to 22,426.56, 30,724.52 and 21,585.76

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Solution

The fourth proportional to 22,426.56, 30,724.52 and 21,585.76 is: 29,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.56 : 30,724.52 = 21,585.76 : x
  2. Step 2: Convert to fraction form
    22,426.56/30,724.52 = 21,585.76/x
  3. Step 3: Cross multiply
    22,426.56x = 30,724.52 × 21,585.76
  4. Step 4: Simplify right side
    22,426.56x = 663,212,114.84
  5. Step 5: Solve for x
    x = 663,212,114.84/22,426.56
  6. Step 6: Final answer
    x = 29,572.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.