Home / 14,921.64-22,382.40-7,018.32

Finding the Fourth Proportional to 14,921.64, 22,382.40 and 7,018.32

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Solution

The fourth proportional to 14,921.64, 22,382.40 and 7,018.32 is: 10,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.64 : 22,382.40 = 7,018.32 : x
  2. Step 2: Convert to fraction form
    14,921.64/22,382.40 = 7,018.32/x
  3. Step 3: Cross multiply
    14,921.64x = 22,382.40 × 7,018.32
  4. Step 4: Simplify right side
    14,921.64x = 157,086,845.57
  5. Step 5: Solve for x
    x = 157,086,845.57/14,921.64
  6. Step 6: Final answer
    x = 10,527.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.