Home / 21,376.56-32,210.76-17,566.32

Finding the Fourth Proportional to 21,376.56, 32,210.76 and 17,566.32

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Solution

The fourth proportional to 21,376.56, 32,210.76 and 17,566.32 is: 26,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.56 : 32,210.76 = 17,566.32 : x
  2. Step 2: Convert to fraction form
    21,376.56/32,210.76 = 17,566.32/x
  3. Step 3: Cross multiply
    21,376.56x = 32,210.76 × 17,566.32
  4. Step 4: Simplify right side
    21,376.56x = 565,824,517.60
  5. Step 5: Solve for x
    x = 565,824,517.60/21,376.56
  6. Step 6: Final answer
    x = 26,469.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.