Home / 18,635.63-25,725.74-11,566.22

Finding the Fourth Proportional to 18,635.63, 25,725.74 and 11,566.22

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Solution

The fourth proportional to 18,635.63, 25,725.74 and 11,566.22 is: 15,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.63 : 25,725.74 = 11,566.22 : x
  2. Step 2: Convert to fraction form
    18,635.63/25,725.74 = 11,566.22/x
  3. Step 3: Cross multiply
    18,635.63x = 25,725.74 × 11,566.22
  4. Step 4: Simplify right side
    18,635.63x = 297,549,382.04
  5. Step 5: Solve for x
    x = 297,549,382.04/18,635.63
  6. Step 6: Final answer
    x = 15,966.70

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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.