Home / 22,051.28-30,341.84-21,526.40

Finding the Fourth Proportional to 22,051.28, 30,341.84 and 21,526.40

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Solution

The fourth proportional to 22,051.28, 30,341.84 and 21,526.40 is: 29,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.28 : 30,341.84 = 21,526.40 : x
  2. Step 2: Convert to fraction form
    22,051.28/30,341.84 = 21,526.40/x
  3. Step 3: Cross multiply
    22,051.28x = 30,341.84 × 21,526.40
  4. Step 4: Simplify right side
    22,051.28x = 653,150,584.58
  5. Step 5: Solve for x
    x = 653,150,584.58/22,051.28
  6. Step 6: Final answer
    x = 29,619.62

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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.