Home / 19,160.40-26,443.80-10,776.84

Finding the Fourth Proportional to 19,160.40, 26,443.80 and 10,776.84

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Solution

The fourth proportional to 19,160.40, 26,443.80 and 10,776.84 is: 14,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.40 : 26,443.80 = 10,776.84 : x
  2. Step 2: Convert to fraction form
    19,160.40/26,443.80 = 10,776.84/x
  3. Step 3: Cross multiply
    19,160.40x = 26,443.80 × 10,776.84
  4. Step 4: Simplify right side
    19,160.40x = 284,980,601.59
  5. Step 5: Solve for x
    x = 284,980,601.59/19,160.40
  6. Step 6: Final answer
    x = 14,873.42

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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.