Home / 15,327.64-21,146.70-10,025.56

Finding the Fourth Proportional to 15,327.64, 21,146.70 and 10,025.56

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Solution

The fourth proportional to 15,327.64, 21,146.70 and 10,025.56 is: 13,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.64 : 21,146.70 = 10,025.56 : x
  2. Step 2: Convert to fraction form
    15,327.64/21,146.70 = 10,025.56/x
  3. Step 3: Cross multiply
    15,327.64x = 21,146.70 × 10,025.56
  4. Step 4: Simplify right side
    15,327.64x = 212,007,509.65
  5. Step 5: Solve for x
    x = 212,007,509.65/15,327.64
  6. Step 6: Final answer
    x = 13,831.71

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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.