Home / 22,528.44-31,089.44-12,457.06

Finding the Fourth Proportional to 22,528.44, 31,089.44 and 12,457.06

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Solution

The fourth proportional to 22,528.44, 31,089.44 and 12,457.06 is: 17,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.44 : 31,089.44 = 12,457.06 : x
  2. Step 2: Convert to fraction form
    22,528.44/31,089.44 = 12,457.06/x
  3. Step 3: Cross multiply
    22,528.44x = 31,089.44 × 12,457.06
  4. Step 4: Simplify right side
    22,528.44x = 387,282,972.87
  5. Step 5: Solve for x
    x = 387,282,972.87/22,528.44
  6. Step 6: Final answer
    x = 17,190.85

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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.