Home / 26,585.32-36,679.62-15,405.16

Finding the Fourth Proportional to 26,585.32, 36,679.62 and 15,405.16

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Solution

The fourth proportional to 26,585.32, 36,679.62 and 15,405.16 is: 21,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.32 : 36,679.62 = 15,405.16 : x
  2. Step 2: Convert to fraction form
    26,585.32/36,679.62 = 15,405.16/x
  3. Step 3: Cross multiply
    26,585.32x = 36,679.62 × 15,405.16
  4. Step 4: Simplify right side
    26,585.32x = 565,055,414.84
  5. Step 5: Solve for x
    x = 565,055,414.84/26,585.32
  6. Step 6: Final answer
    x = 21,254.41

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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.