Home / 12,659.09-17,482.33-10,157.70

Finding the Fourth Proportional to 12,659.09, 17,482.33 and 10,157.70

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Solution

The fourth proportional to 12,659.09, 17,482.33 and 10,157.70 is: 14,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.09 : 17,482.33 = 10,157.70 : x
  2. Step 2: Convert to fraction form
    12,659.09/17,482.33 = 10,157.70/x
  3. Step 3: Cross multiply
    12,659.09x = 17,482.33 × 10,157.70
  4. Step 4: Simplify right side
    12,659.09x = 177,580,341.70
  5. Step 5: Solve for x
    x = 177,580,341.70/12,659.09
  6. Step 6: Final answer
    x = 14,027.90

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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.