Home / 23,200.47-32,014.88-13,640.75

Finding the Fourth Proportional to 23,200.47, 32,014.88 and 13,640.75

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Solution

The fourth proportional to 23,200.47, 32,014.88 and 13,640.75 is: 18,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,200.47 : 32,014.88 = 13,640.75 : x
  2. Step 2: Convert to fraction form
    23,200.47/32,014.88 = 13,640.75/x
  3. Step 3: Cross multiply
    23,200.47x = 32,014.88 × 13,640.75
  4. Step 4: Simplify right side
    23,200.47x = 436,706,746.08
  5. Step 5: Solve for x
    x = 436,706,746.08/23,200.47
  6. Step 6: Final answer
    x = 18,823.19

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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.