Home / 23,712.34-32,713.86-13,639.18

Finding the Fourth Proportional to 23,712.34, 32,713.86 and 13,639.18

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Solution

The fourth proportional to 23,712.34, 32,713.86 and 13,639.18 is: 18,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.34 : 32,713.86 = 13,639.18 : x
  2. Step 2: Convert to fraction form
    23,712.34/32,713.86 = 13,639.18/x
  3. Step 3: Cross multiply
    23,712.34x = 32,713.86 × 13,639.18
  4. Step 4: Simplify right side
    23,712.34x = 446,190,225.03
  5. Step 5: Solve for x
    x = 446,190,225.03/23,712.34
  6. Step 6: Final answer
    x = 18,816.79

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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.