Home / 26,066.08-35,971.32-15,318.20

Finding the Fourth Proportional to 26,066.08, 35,971.32 and 15,318.20

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Solution

The fourth proportional to 26,066.08, 35,971.32 and 15,318.20 is: 21,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,066.08 : 35,971.32 = 15,318.20 : x
  2. Step 2: Convert to fraction form
    26,066.08/35,971.32 = 15,318.20/x
  3. Step 3: Cross multiply
    26,066.08x = 35,971.32 × 15,318.20
  4. Step 4: Simplify right side
    26,066.08x = 551,015,874.02
  5. Step 5: Solve for x
    x = 551,015,874.02/26,066.08
  6. Step 6: Final answer
    x = 21,139.19

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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.