Home / 23,680.64-32,679.51-13,070.05

Finding the Fourth Proportional to 23,680.64, 32,679.51 and 13,070.05

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Solution

The fourth proportional to 23,680.64, 32,679.51 and 13,070.05 is: 18,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.64 : 32,679.51 = 13,070.05 : x
  2. Step 2: Convert to fraction form
    23,680.64/32,679.51 = 13,070.05/x
  3. Step 3: Cross multiply
    23,680.64x = 32,679.51 × 13,070.05
  4. Step 4: Simplify right side
    23,680.64x = 427,122,829.68
  5. Step 5: Solve for x
    x = 427,122,829.68/23,680.64
  6. Step 6: Final answer
    x = 18,036.79

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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.