Home / 17,958.60-24,782.29-10,000.40

Finding the Fourth Proportional to 17,958.60, 24,782.29 and 10,000.40

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Solution

The fourth proportional to 17,958.60, 24,782.29 and 10,000.40 is: 13,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.60 : 24,782.29 = 10,000.40 : x
  2. Step 2: Convert to fraction form
    17,958.60/24,782.29 = 10,000.40/x
  3. Step 3: Cross multiply
    17,958.60x = 24,782.29 × 10,000.40
  4. Step 4: Simplify right side
    17,958.60x = 247,832,664.00
  5. Step 5: Solve for x
    x = 247,832,664.00/17,958.60
  6. Step 6: Final answer
    x = 13,800.22

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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.