Home / 26,219.17-36,181.29-15,318.32

Finding the Fourth Proportional to 26,219.17, 36,181.29 and 15,318.32

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Solution

The fourth proportional to 26,219.17, 36,181.29 and 15,318.32 is: 21,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.17 : 36,181.29 = 15,318.32 : x
  2. Step 2: Convert to fraction form
    26,219.17/36,181.29 = 15,318.32/x
  3. Step 3: Cross multiply
    26,219.17x = 36,181.29 × 15,318.32
  4. Step 4: Simplify right side
    26,219.17x = 554,236,572.12
  5. Step 5: Solve for x
    x = 554,236,572.12/26,219.17
  6. Step 6: Final answer
    x = 21,138.60

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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.