Home / 14,156.64-19,530.72-9,910.08

Finding the Fourth Proportional to 14,156.64, 19,530.72 and 9,910.08

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Solution

The fourth proportional to 14,156.64, 19,530.72 and 9,910.08 is: 13,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.64 : 19,530.72 = 9,910.08 : x
  2. Step 2: Convert to fraction form
    14,156.64/19,530.72 = 9,910.08/x
  3. Step 3: Cross multiply
    14,156.64x = 19,530.72 × 9,910.08
  4. Step 4: Simplify right side
    14,156.64x = 193,550,997.66
  5. Step 5: Solve for x
    x = 193,550,997.66/14,156.64
  6. Step 6: Final answer
    x = 13,672.10

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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.