Home / 14,180.56-21,264.60-5,409.32

Finding the Fourth Proportional to 14,180.56, 21,264.60 and 5,409.32

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Solution

The fourth proportional to 14,180.56, 21,264.60 and 5,409.32 is: 8,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.56 : 21,264.60 = 5,409.32 : x
  2. Step 2: Convert to fraction form
    14,180.56/21,264.60 = 5,409.32/x
  3. Step 3: Cross multiply
    14,180.56x = 21,264.60 × 5,409.32
  4. Step 4: Simplify right side
    14,180.56x = 115,027,026.07
  5. Step 5: Solve for x
    x = 115,027,026.07/14,180.56
  6. Step 6: Final answer
    x = 8,111.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.