Home / 14,670.59-20,232.38-11,521.31

Finding the Fourth Proportional to 14,670.59, 20,232.38 and 11,521.31

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Solution

The fourth proportional to 14,670.59, 20,232.38 and 11,521.31 is: 15,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.59 : 20,232.38 = 11,521.31 : x
  2. Step 2: Convert to fraction form
    14,670.59/20,232.38 = 11,521.31/x
  3. Step 3: Cross multiply
    14,670.59x = 20,232.38 × 11,521.31
  4. Step 4: Simplify right side
    14,670.59x = 233,103,449.66
  5. Step 5: Solve for x
    x = 233,103,449.66/14,670.59
  6. Step 6: Final answer
    x = 15,889.17

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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.