Home / 18,708.10-25,817.32-10,210.29

Finding the Fourth Proportional to 18,708.10, 25,817.32 and 10,210.29

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Solution

The fourth proportional to 18,708.10, 25,817.32 and 10,210.29 is: 14,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.10 : 25,817.32 = 10,210.29 : x
  2. Step 2: Convert to fraction form
    18,708.10/25,817.32 = 10,210.29/x
  3. Step 3: Cross multiply
    18,708.10x = 25,817.32 × 10,210.29
  4. Step 4: Simplify right side
    18,708.10x = 263,602,195.14
  5. Step 5: Solve for x
    x = 263,602,195.14/18,708.10
  6. Step 6: Final answer
    x = 14,090.27

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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.