Home / 18,965.80-26,169.06-10,580.68

Finding the Fourth Proportional to 18,965.80, 26,169.06 and 10,580.68

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Solution

The fourth proportional to 18,965.80, 26,169.06 and 10,580.68 is: 14,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.80 : 26,169.06 = 10,580.68 : x
  2. Step 2: Convert to fraction form
    18,965.80/26,169.06 = 10,580.68/x
  3. Step 3: Cross multiply
    18,965.80x = 26,169.06 × 10,580.68
  4. Step 4: Simplify right side
    18,965.80x = 276,886,449.76
  5. Step 5: Solve for x
    x = 276,886,449.76/18,965.80
  6. Step 6: Final answer
    x = 14,599.25

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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.