Home / 18,566.16-25,620.96-10,499.70

Finding the Fourth Proportional to 18,566.16, 25,620.96 and 10,499.70

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Solution

The fourth proportional to 18,566.16, 25,620.96 and 10,499.70 is: 14,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.16 : 25,620.96 = 10,499.70 : x
  2. Step 2: Convert to fraction form
    18,566.16/25,620.96 = 10,499.70/x
  3. Step 3: Cross multiply
    18,566.16x = 25,620.96 × 10,499.70
  4. Step 4: Simplify right side
    18,566.16x = 269,012,393.71
  5. Step 5: Solve for x
    x = 269,012,393.71/18,566.16
  6. Step 6: Final answer
    x = 14,489.39

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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.