Home / 22,792.63-31,455.40-12,723.03

Finding the Fourth Proportional to 22,792.63, 31,455.40 and 12,723.03

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Solution

The fourth proportional to 22,792.63, 31,455.40 and 12,723.03 is: 17,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.63 : 31,455.40 = 12,723.03 : x
  2. Step 2: Convert to fraction form
    22,792.63/31,455.40 = 12,723.03/x
  3. Step 3: Cross multiply
    22,792.63x = 31,455.40 × 12,723.03
  4. Step 4: Simplify right side
    22,792.63x = 400,207,840.59
  5. Step 5: Solve for x
    x = 400,207,840.59/22,792.63
  6. Step 6: Final answer
    x = 17,558.66

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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.