Home / 23,173.93-31,977.63-14,221.81

Finding the Fourth Proportional to 23,173.93, 31,977.63 and 14,221.81

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Solution

The fourth proportional to 23,173.93, 31,977.63 and 14,221.81 is: 19,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.93 : 31,977.63 = 14,221.81 : x
  2. Step 2: Convert to fraction form
    23,173.93/31,977.63 = 14,221.81/x
  3. Step 3: Cross multiply
    23,173.93x = 31,977.63 × 14,221.81
  4. Step 4: Simplify right side
    23,173.93x = 454,779,778.11
  5. Step 5: Solve for x
    x = 454,779,778.11/23,173.93
  6. Step 6: Final answer
    x = 19,624.63

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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.