Home / 23,901.41-32,981.28-13,290.41

Finding the Fourth Proportional to 23,901.41, 32,981.28 and 13,290.41

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Solution

The fourth proportional to 23,901.41, 32,981.28 and 13,290.41 is: 18,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,901.41 : 32,981.28 = 13,290.41 : x
  2. Step 2: Convert to fraction form
    23,901.41/32,981.28 = 13,290.41/x
  3. Step 3: Cross multiply
    23,901.41x = 32,981.28 × 13,290.41
  4. Step 4: Simplify right side
    23,901.41x = 438,334,766.14
  5. Step 5: Solve for x
    x = 438,334,766.14/23,901.41
  6. Step 6: Final answer
    x = 18,339.28

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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.