Home / 22,794.89-31,457.54-12,723.28

Finding the Fourth Proportional to 22,794.89, 31,457.54 and 12,723.28

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Solution

The fourth proportional to 22,794.89, 31,457.54 and 12,723.28 is: 17,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.89 : 31,457.54 = 12,723.28 : x
  2. Step 2: Convert to fraction form
    22,794.89/31,457.54 = 12,723.28/x
  3. Step 3: Cross multiply
    22,794.89x = 31,457.54 × 12,723.28
  4. Step 4: Simplify right side
    22,794.89x = 400,243,089.53
  5. Step 5: Solve for x
    x = 400,243,089.53/22,794.89
  6. Step 6: Final answer
    x = 17,558.46

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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.