Home / 23,169.41-31,972.93-12,558.81

Finding the Fourth Proportional to 23,169.41, 31,972.93 and 12,558.81

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Solution

The fourth proportional to 23,169.41, 31,972.93 and 12,558.81 is: 17,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.41 : 31,972.93 = 12,558.81 : x
  2. Step 2: Convert to fraction form
    23,169.41/31,972.93 = 12,558.81/x
  3. Step 3: Cross multiply
    23,169.41x = 31,972.93 × 12,558.81
  4. Step 4: Simplify right side
    23,169.41x = 401,542,041.51
  5. Step 5: Solve for x
    x = 401,542,041.51/23,169.41
  6. Step 6: Final answer
    x = 17,330.70

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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.