Home / 23,133.81-31,922.73-13,572.70

Finding the Fourth Proportional to 23,133.81, 31,922.73 and 13,572.70

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Solution

The fourth proportional to 23,133.81, 31,922.73 and 13,572.70 is: 18,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.81 : 31,922.73 = 13,572.70 : x
  2. Step 2: Convert to fraction form
    23,133.81/31,922.73 = 13,572.70/x
  3. Step 3: Cross multiply
    23,133.81x = 31,922.73 × 13,572.70
  4. Step 4: Simplify right side
    23,133.81x = 433,277,557.66
  5. Step 5: Solve for x
    x = 433,277,557.66/23,133.81
  6. Step 6: Final answer
    x = 18,729.19

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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.