Home / 14,447.32-21,656.22-5,670.28

Finding the Fourth Proportional to 14,447.32, 21,656.22 and 5,670.28

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Solution

The fourth proportional to 14,447.32, 21,656.22 and 5,670.28 is: 8,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.32 : 21,656.22 = 5,670.28 : x
  2. Step 2: Convert to fraction form
    14,447.32/21,656.22 = 5,670.28/x
  3. Step 3: Cross multiply
    14,447.32x = 21,656.22 × 5,670.28
  4. Step 4: Simplify right side
    14,447.32x = 122,796,831.14
  5. Step 5: Solve for x
    x = 122,796,831.14/14,447.32
  6. Step 6: Final answer
    x = 8,499.63

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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.