Home / 26,686.32-36,828.54-15,357.54

Finding the Fourth Proportional to 26,686.32, 36,828.54 and 15,357.54

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Solution

The fourth proportional to 26,686.32, 36,828.54 and 15,357.54 is: 21,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.32 : 36,828.54 = 15,357.54 : x
  2. Step 2: Convert to fraction form
    26,686.32/36,828.54 = 15,357.54/x
  3. Step 3: Cross multiply
    26,686.32x = 36,828.54 × 15,357.54
  4. Step 4: Simplify right side
    26,686.32x = 565,595,776.19
  5. Step 5: Solve for x
    x = 565,595,776.19/26,686.32
  6. Step 6: Final answer
    x = 21,194.22

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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.