Home / 19,228.95-26,535.87-10,731.78

Finding the Fourth Proportional to 19,228.95, 26,535.87 and 10,731.78

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Solution

The fourth proportional to 19,228.95, 26,535.87 and 10,731.78 is: 14,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.95 : 26,535.87 = 10,731.78 : x
  2. Step 2: Convert to fraction form
    19,228.95/26,535.87 = 10,731.78/x
  3. Step 3: Cross multiply
    19,228.95x = 26,535.87 × 10,731.78
  4. Step 4: Simplify right side
    19,228.95x = 284,777,118.95
  5. Step 5: Solve for x
    x = 284,777,118.95/19,228.95
  6. Step 6: Final answer
    x = 14,809.81

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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.