Home / 14,238.16-19,625.16-9,520.72

Finding the Fourth Proportional to 14,238.16, 19,625.16 and 9,520.72

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Solution

The fourth proportional to 14,238.16, 19,625.16 and 9,520.72 is: 13,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.16 : 19,625.16 = 9,520.72 : x
  2. Step 2: Convert to fraction form
    14,238.16/19,625.16 = 9,520.72/x
  3. Step 3: Cross multiply
    14,238.16x = 19,625.16 × 9,520.72
  4. Step 4: Simplify right side
    14,238.16x = 186,845,653.32
  5. Step 5: Solve for x
    x = 186,845,653.32/14,238.16
  6. Step 6: Final answer
    x = 13,122.88

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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.