Home / 19,659.30-29,459.79-14,439.66

Finding the Fourth Proportional to 19,659.30, 29,459.79 and 14,439.66

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Solution

The fourth proportional to 19,659.30, 29,459.79 and 14,439.66 is: 21,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.30 : 29,459.79 = 14,439.66 : x
  2. Step 2: Convert to fraction form
    19,659.30/29,459.79 = 14,439.66/x
  3. Step 3: Cross multiply
    19,659.30x = 29,459.79 × 14,439.66
  4. Step 4: Simplify right side
    19,659.30x = 425,389,427.63
  5. Step 5: Solve for x
    x = 425,389,427.63/19,659.30
  6. Step 6: Final answer
    x = 21,638.07

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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.