Home / 14,232.16-21,322.32-13,921.12

Finding the Fourth Proportional to 14,232.16, 21,322.32 and 13,921.12

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Solution

The fourth proportional to 14,232.16, 21,322.32 and 13,921.12 is: 20,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.16 : 21,322.32 = 13,921.12 : x
  2. Step 2: Convert to fraction form
    14,232.16/21,322.32 = 13,921.12/x
  3. Step 3: Cross multiply
    14,232.16x = 21,322.32 × 13,921.12
  4. Step 4: Simplify right side
    14,232.16x = 296,830,575.40
  5. Step 5: Solve for x
    x = 296,830,575.40/14,232.16
  6. Step 6: Final answer
    x = 20,856.33

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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.