Home / 23,129.32-31,920.56-13,060.23

Finding the Fourth Proportional to 23,129.32, 31,920.56 and 13,060.23

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Solution

The fourth proportional to 23,129.32, 31,920.56 and 13,060.23 is: 18,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.32 : 31,920.56 = 13,060.23 : x
  2. Step 2: Convert to fraction form
    23,129.32/31,920.56 = 13,060.23/x
  3. Step 3: Cross multiply
    23,129.32x = 31,920.56 × 13,060.23
  4. Step 4: Simplify right side
    23,129.32x = 416,889,855.33
  5. Step 5: Solve for x
    x = 416,889,855.33/23,129.32
  6. Step 6: Final answer
    x = 18,024.30

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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.