Home / 26,382.12-36,405.72-14,445.60

Finding the Fourth Proportional to 26,382.12, 36,405.72 and 14,445.60

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Solution

The fourth proportional to 26,382.12, 36,405.72 and 14,445.60 is: 19,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.12 : 36,405.72 = 14,445.60 : x
  2. Step 2: Convert to fraction form
    26,382.12/36,405.72 = 14,445.60/x
  3. Step 3: Cross multiply
    26,382.12x = 36,405.72 × 14,445.60
  4. Step 4: Simplify right side
    26,382.12x = 525,902,468.83
  5. Step 5: Solve for x
    x = 525,902,468.83/26,382.12
  6. Step 6: Final answer
    x = 19,934.05

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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.