Home / 23,119.81-31,873.57-14,617.68

Finding the Fourth Proportional to 23,119.81, 31,873.57 and 14,617.68

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Solution

The fourth proportional to 23,119.81, 31,873.57 and 14,617.68 is: 20,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.81 : 31,873.57 = 14,617.68 : x
  2. Step 2: Convert to fraction form
    23,119.81/31,873.57 = 14,617.68/x
  3. Step 3: Cross multiply
    23,119.81x = 31,873.57 × 14,617.68
  4. Step 4: Simplify right side
    23,119.81x = 465,917,646.72
  5. Step 5: Solve for x
    x = 465,917,646.72/23,119.81
  6. Step 6: Final answer
    x = 20,152.31

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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.